#include "common.h"
#ifdef BUILD_X11
# include <X11/Xlib.h>
# include "context.h"
#endif
#include "rgba.h"

#ifdef BUILD_X11

#define IS_ALIGNED_128(val) (!((val) & 0x15))
#define IS_ALIGNED_64(val)  (!((val) & 0x7))
#define IS_ALIGNED_32(val)  (!((val) & 0x3))
#define IS_ALIGNED_16(val)  (!((val) & 0x1))

#define IS_MULTIPLE_2(val)  (!((val) & 0x1))
#define IS_MULTIPLE_4(val)  (!((val) & 0x3))

/* for PPC / Motorola / SPARC, not x86, ALPHA */
/* dont uncomment this - i have this here for my own testing */
/*#define WORDS_BIGENDIAN*/
/* for data in ABGR memory model */

/* NOTES: */
/* x86: RGBA in byte order = ABGR when read as an int (in register/int) */

/* lookup table to see what color index to use */
static DATA8       *_dither_color_lut;
static DATA8        _pal_type;

/* using DATA32 - major speedup for aligned memory reads */

/* these data structs global rather than context-based for speed */
static DATA16      *_dither_r16;
static DATA16      *_dither_g16;
static DATA16      *_dither_b16;
static DATA8       *_dither_r8;
static DATA8       *_dither_g8;
static DATA8       *_dither_b8;
static DATA8       *_dither_666r;
static DATA8       *_dither_666g;
static DATA8       *_dither_666b;
static int          dither_a_init = 0;
static DATA8        _dither_a1[8 * 8 * 256];

/* the famous dither matrix */
const DATA8         _dither_44[4][4] = {
   {0, 4, 1, 5},
   {6, 2, 7, 3},
   {1, 5, 0, 4},
   {7, 3, 6, 2}
};
const DATA8         _dither_88[8][8] = {
   {0, 32, 8, 40, 2, 34, 10, 42},
   {48, 16, 56, 24, 50, 18, 58, 26},
   {12, 44, 4, 36, 14, 46, 6, 38},
   {60, 28, 52, 20, 62, 30, 54, 22},
   {3, 35, 11, 43, 1, 33, 9, 41},
   {51, 19, 59, 27, 49, 17, 57, 25},
   {15, 47, 7, 39, 13, 45, 5, 37},
   {63, 31, 55, 23, 61, 29, 53, 21}
};

/* This dither table was generated by Raph Levien using patented
 *    technology (US Patent 5,276,535). The dither table itself is in the
 *    public domain. */

const DATA8         _dither_128128[128][128] = {
   {0, 41, 23, 5, 17, 39, 7, 15, 62, 23, 40, 51, 31, 47, 9, 32, 52, 27, 57, 25,
    6, 61, 27, 52, 37, 7, 40, 63, 18, 36, 10, 42, 25, 62, 45, 34, 20, 42, 37,
    14, 35, 29, 50, 10, 61, 2, 40, 8, 37, 12, 58, 22, 5, 41, 10, 39, 0, 60, 11,
    46, 2, 55, 38, 17, 36, 59, 13, 54, 37, 56, 8, 29, 16, 13, 63, 22, 41, 55, 7,
    20, 49, 14, 23, 55, 37, 23, 19, 36, 15, 49, 23, 63, 30, 14, 38, 27, 53, 13,
    22, 41, 19, 31, 7, 19, 50, 30, 49, 16, 3, 32, 56, 40, 29, 34, 8, 48, 19, 45,
    4, 51, 12, 46, 35, 49, 16, 42, 12, 62},
   {30, 57, 36, 54, 47, 34, 52, 27, 43, 4, 28, 7, 17, 36, 62, 13, 44, 7, 18, 48,
    33, 21, 44, 14, 30, 47, 12, 33, 5, 55, 31, 58, 13, 30, 4, 17, 52, 10, 60,
    26, 46, 0, 39, 27, 42, 22, 47, 25, 60, 32, 9, 38, 48, 17, 59, 30, 49, 18,
    34, 25, 51, 19, 5, 48, 21, 8, 28, 46, 1, 32, 41, 19, 54, 47, 37, 18, 28, 11,
    44, 30, 39, 56, 2, 33, 8, 42, 61, 28, 58, 8, 46, 9, 41, 4, 58, 7, 21, 48,
    59, 10, 52, 14, 42, 57, 12, 25, 7, 53, 42, 24, 11, 50, 17, 59, 42, 2, 36,
    60, 32, 17, 63, 29, 21, 7, 59, 32, 24, 39},
   {22, 8, 16, 32, 3, 25, 13, 57, 18, 45, 58, 39, 55, 20, 5, 42, 23, 34, 63, 1,
    51, 10, 58, 4, 60, 23, 53, 27, 44, 21, 3, 48, 8, 50, 43, 54, 27, 32, 5, 55,
    21, 58, 12, 53, 6, 36, 14, 50, 17, 29, 53, 15, 24, 52, 7, 36, 13, 42, 4, 53,
    9, 35, 61, 26, 56, 32, 49, 15, 62, 23, 6, 60, 2, 31, 4, 48, 58, 38, 15, 61,
    5, 25, 47, 28, 50, 15, 7, 40, 3, 32, 33, 52, 25, 50, 35, 42, 61, 3, 28, 36,
    23, 63, 4, 33, 46, 62, 36, 23, 60, 6, 54, 28, 4, 37, 23, 55, 25, 8, 42, 54,
    14, 6, 56, 38, 19, 52, 4, 46},
   {48, 53, 43, 12, 45, 63, 30, 37, 9, 34, 21, 1, 25, 47, 29, 58, 3, 54, 15, 39,
    29, 17, 38, 35, 20, 43, 1, 49, 15, 59, 29, 39, 22, 35, 16, 23, 1, 47, 39,
    18, 8, 44, 25, 31, 57, 19, 63, 4, 45, 3, 42, 61, 1, 31, 45, 20, 57, 29, 62,
    21, 32, 41, 14, 44, 3, 39, 5, 34, 10, 43, 51, 35, 23, 52, 40, 10, 21, 1, 53,
    18, 51, 43, 12, 62, 18, 54, 26, 51, 20, 57, 14, 1, 62, 16, 11, 18, 32, 39,
    17, 44, 1, 48, 26, 37, 18, 2, 51, 14, 28, 45, 35, 18, 57, 13, 47, 11, 51,
    20, 2, 39, 31, 47, 25, 1, 50, 11, 60, 7},
   {18, 28, 1, 56, 21, 10, 51, 2, 46, 54, 14, 61, 11, 50, 13, 38, 19, 31, 45, 9,
    55, 24, 47, 5, 54, 9, 62, 11, 35, 8, 51, 14, 57, 6, 63, 40, 58, 14, 51, 28,
    62, 34, 15, 48, 1, 41, 30, 35, 55, 21, 34, 11, 49, 37, 8, 52, 4, 23, 15, 43,
    1, 58, 11, 23, 53, 16, 55, 26, 58, 18, 27, 12, 45, 14, 25, 63, 42, 33, 27,
    35, 9, 31, 21, 38, 1, 44, 34, 12, 48, 38, 21, 44, 29, 47, 26, 53, 1, 46, 54,
    8, 59, 29, 11, 55, 22, 41, 33, 20, 39, 1, 48, 9, 44, 32, 5, 62, 29, 44, 57,
    23, 10, 58, 34, 43, 15, 37, 26, 33},
   {51, 38, 59, 24, 35, 42, 19, 60, 5, 32, 41, 26, 43, 33, 7, 53, 48, 11, 59,
    23, 42, 2, 61, 30, 16, 40, 32, 24, 56, 41, 19, 33, 37, 26, 47, 9, 31, 22, 2,
    45, 9, 54, 4, 37, 21, 52, 11, 23, 7, 57, 16, 25, 55, 18, 63, 27, 46, 39, 56,
    10, 50, 37, 29, 47, 19, 63, 24, 9, 46, 2, 39, 60, 9, 57, 30, 7, 49, 11, 59,
    3, 45, 57, 5, 60, 29, 22, 5, 60, 30, 9, 59, 18, 40, 6, 57, 36, 30, 12, 24,
    34, 15, 40, 52, 6, 49, 9, 58, 4, 63, 12, 26, 61, 22, 53, 38, 16, 35, 14, 28,
    50, 42, 17, 5, 28, 62, 20, 54, 12},
   {26, 6, 31, 15, 49, 6, 38, 27, 22, 49, 16, 56, 2, 62, 30, 21, 0, 36, 28, 6,
    49, 32, 13, 52, 26, 50, 19, 46, 3, 26, 62, 0, 53, 12, 29, 3, 53, 41, 60, 24,
    38, 13, 58, 16, 43, 9, 59, 39, 46, 28, 44, 40, 2, 33, 13, 41, 16, 6, 47, 31,
    26, 17, 57, 6, 38, 0, 42, 36, 29, 52, 20, 31, 48, 0, 34, 56, 20, 36, 23, 54,
    14, 41, 24, 37, 10, 55, 46, 25, 16, 45, 36, 4, 55, 23, 15, 8, 50, 62, 5, 56,
    44, 20, 13, 28, 59, 31, 24, 47, 31, 52, 37, 17, 40, 0, 26, 49, 3, 60, 7, 33,
    0, 61, 53, 40, 8, 45, 2, 41},
   {16, 63, 43, 4, 61, 24, 56, 13, 53, 8, 36, 12, 24, 41, 16, 46, 60, 26, 52,
    39, 14, 57, 21, 37, 0, 45, 7, 59, 38, 17, 43, 10, 45, 20, 61, 43, 19, 11,
    33, 17, 50, 32, 23, 61, 28, 49, 26, 0, 18, 51, 5, 60, 22, 58, 29, 0, 59, 34,
    19, 62, 3, 52, 7, 44, 30, 59, 13, 50, 15, 62, 7, 17, 38, 22, 44, 15, 40, 4,
    47, 28, 33, 17, 49, 16, 51, 40, 10, 56, 0, 53, 13, 49, 28, 38, 60, 21, 43,
    19, 37, 27, 3, 51, 34, 39, 0, 45, 15, 43, 10, 21, 3, 55, 8, 33, 59, 10, 41,
    18, 52, 24, 46, 20, 30, 13, 58, 22, 36, 57},
   {50, 34, 11, 47, 29, 17, 44, 0, 33, 63, 28, 46, 52, 5, 57, 10, 42, 18, 4, 63,
    20, 8, 44, 10, 56, 34, 14, 29, 5, 54, 23, 59, 32, 49, 7, 34, 49, 27, 56, 0,
    42, 7, 46, 3, 40, 6, 54, 32, 62, 13, 36, 10, 47, 8, 35, 49, 24, 51, 12, 40,
    22, 35, 60, 12, 22, 51, 33, 4, 40, 25, 43, 55, 5, 54, 12, 61, 26, 51, 8, 62,
    0, 53, 7, 63, 2, 32, 19, 34, 42, 24, 31, 63, 2, 10, 45, 33, 0, 48, 9, 61,
    22, 47, 8, 62, 18, 56, 7, 54, 27, 57, 46, 30, 50, 19, 45, 30, 56, 36, 22,
    47, 11, 38, 3, 51, 32, 48, 18, 9},
   {0, 21, 40, 19, 52, 9, 37, 48, 20, 40, 3, 18, 27, 38, 35, 22, 31, 56, 13, 35,
    46, 28, 60, 40, 27, 18, 61, 50, 41, 30, 7, 36, 2, 25, 16, 57, 5, 15, 47, 29,
    55, 19, 30, 52, 15, 34, 20, 12, 43, 30, 20, 54, 25, 44, 53, 12, 38, 5, 55,
    27, 48, 15, 33, 27, 45, 8, 19, 28, 56, 11, 33, 49, 18, 36, 29, 2, 45, 16,
    39, 19, 31, 43, 27, 35, 20, 52, 26, 6, 61, 11, 41, 17, 29, 51, 20, 56, 25,
    32, 41, 17, 53, 31, 25, 14, 42, 23, 35, 16, 38, 6, 34, 12, 15, 62, 6, 21,
    13, 1, 63, 9, 55, 27, 43, 25, 14, 4, 31, 55},
   {44, 29, 61, 2, 35, 58, 26, 15, 60, 10, 51, 59, 14, 55, 8, 50, 2, 44, 25, 51,
    1, 33, 16, 4, 48, 36, 2, 21, 12, 57, 48, 13, 51, 55, 40, 28, 37, 62, 8, 39,
    12, 63, 36, 10, 59, 24, 56, 47, 9, 50, 41, 1, 32, 17, 6, 21, 61, 30, 9, 43,
    1, 54, 41, 2, 54, 37, 48, 61, 1, 46, 21, 3, 58, 24, 50, 32, 60, 10, 57, 25,
    46, 12, 59, 4, 45, 13, 57, 47, 27, 39, 5, 58, 47, 14, 35, 4, 52, 13, 60, 6,
    36, 10, 45, 55, 4, 50, 29, 2, 61, 50, 25, 58, 44, 24, 36, 42, 54, 28, 40,
    32, 16, 56, 6, 62, 46, 39, 60, 23},
   {7, 48, 14, 54, 23, 40, 4, 45, 30, 22, 42, 32, 1, 44, 20, 29, 58, 8, 37, 19,
    41, 54, 24, 58, 9, 53, 25, 46, 34, 16, 23, 38, 27, 11, 18, 1, 52, 21, 35,
    22, 48, 5, 25, 45, 18, 38, 2, 27, 35, 4, 57, 15, 62, 39, 57, 28, 42, 16, 36,
    60, 24, 18, 10, 63, 20, 5, 16, 23, 37, 14, 59, 27, 41, 8, 13, 42, 21, 35, 6,
    50, 3, 38, 15, 48, 30, 39, 17, 3, 49, 14, 53, 33, 24, 7, 61, 44, 11, 39, 23,
    49, 19, 58, 1, 32, 36, 12, 60, 41, 20, 13, 41, 4, 39, 1, 48, 8, 18, 51, 14,
    44, 5, 37, 21, 34, 1, 26, 10, 37},
   {53, 36, 27, 9, 50, 12, 32, 55, 2, 57, 7, 17, 48, 34, 63, 15, 40, 26, 62, 11,
    49, 6, 31, 39, 22, 42, 6, 63, 1, 39, 60, 4, 42, 61, 32, 45, 24, 44, 2, 60,
    16, 41, 53, 1, 33, 61, 49, 17, 63, 23, 45, 26, 33, 3, 23, 46, 2, 50, 20, 4,
    45, 34, 49, 30, 39, 58, 44, 31, 53, 34, 6, 52, 30, 47, 63, 1, 53, 22, 42,
    31, 58, 23, 54, 22, 61, 8, 36, 59, 22, 35, 21, 1, 55, 40, 27, 16, 30, 54, 2,
    29, 43, 16, 39, 63, 21, 46, 26, 10, 48, 32, 19, 53, 30, 56, 26, 60, 33, 4,
    61, 23, 49, 59, 15, 53, 19, 58, 42, 16},
   {20, 5, 59, 46, 25, 62, 7, 19, 43, 25, 37, 61, 11, 24, 4, 54, 12, 52, 3, 32,
    17, 61, 12, 47, 15, 55, 18, 31, 53, 28, 9, 50, 21, 6, 55, 9, 58, 14, 54, 26,
    33, 7, 31, 58, 13, 21, 8, 42, 29, 6, 37, 11, 48, 52, 14, 60, 11, 39, 56, 32,
    14, 58, 7, 26, 17, 4, 42, 8, 11, 47, 19, 38, 10, 17, 26, 37, 9, 55, 28, 13,
    18, 40, 6, 33, 1, 43, 25, 11, 51, 7, 62, 43, 18, 37, 3, 57, 45, 9, 38, 58,
    5, 52, 27, 7, 17, 53, 5, 57, 37, 2, 63, 9, 22, 15, 11, 38, 25, 45, 35, 0,
    28, 10, 41, 30, 50, 8, 31, 57},
   {49, 33, 16, 38, 1, 42, 51, 34, 53, 14, 28, 49, 30, 56, 36, 23, 43, 20, 38,
    56, 22, 45, 28, 0, 62, 35, 26, 44, 11, 19, 52, 35, 44, 15, 30, 38, 10, 31,
    40, 4, 46, 50, 20, 40, 27, 44, 51, 14, 56, 53, 19, 59, 7, 29, 41, 19, 35,
    25, 8, 52, 22, 44, 13, 53, 50, 32, 61, 24, 56, 25, 63, 0, 45, 57, 33, 59,
    16, 46, 4, 62, 50, 11, 60, 37, 52, 19, 55, 29, 37, 46, 13, 26, 48, 10, 50,
    34, 21, 63, 26, 13, 42, 33, 22, 55, 35, 28, 43, 15, 24, 51, 27, 34, 46, 49,
    58, 3, 52, 9, 57, 19, 48, 55, 3, 35, 12, 45, 24, 3},
   {41, 11, 56, 28, 18, 31, 22, 10, 37, 6, 47, 13, 3, 41, 9, 46, 0, 48, 29, 6,
    34, 10, 55, 37, 20, 8, 49, 3, 41, 59, 14, 25, 0, 63, 19, 47, 27, 51, 17, 57,
    23, 10, 61, 6, 54, 3, 38, 31, 0, 22, 34, 43, 20, 55, 31, 0, 49, 63, 29, 38,
    3, 62, 28, 40, 0, 22, 14, 35, 2, 48, 15, 43, 23, 14, 3, 29, 49, 20, 39, 34,
    0, 44, 29, 9, 15, 47, 5, 42, 0, 31, 58, 5, 31, 61, 23, 15, 0, 47, 19, 50,
    24, 3, 59, 11, 44, 0, 31, 59, 6, 42, 17, 60, 0, 39, 20, 31, 43, 17, 29, 40,
    12, 25, 60, 22, 52, 15, 63, 29},
   {20, 52, 8, 44, 62, 4, 59, 49, 17, 63, 21, 39, 60, 18, 52, 27, 33, 59, 14,
    51, 59, 43, 24, 5, 51, 30, 57, 17, 32, 5, 37, 56, 48, 34, 42, 3, 60, 5, 36,
    13, 43, 37, 18, 34, 25, 12, 59, 24, 47, 36, 11, 50, 3, 38, 9, 58, 16, 5, 43,
    18, 47, 10, 37, 18, 59, 46, 29, 52, 40, 12, 34, 28, 56, 36, 53, 7, 43, 8,
    24, 52, 26, 17, 56, 43, 24, 32, 63, 20, 57, 16, 22, 52, 36, 8, 41, 56, 29,
    32, 54, 7, 35, 57, 14, 48, 20, 62, 13, 39, 53, 29, 8, 45, 13, 29, 7, 61, 14,
    54, 6, 63, 38, 32, 18, 43, 2, 39, 6, 47},
   {0, 58, 23, 35, 13, 46, 12, 39, 0, 31, 55, 24, 5, 35, 15, 61, 17, 5, 39, 25,
    18, 2, 50, 33, 41, 13, 39, 23, 62, 46, 29, 12, 22, 8, 56, 25, 20, 49, 32,
    62, 0, 56, 11, 46, 63, 42, 9, 16, 55, 5, 60, 15, 62, 26, 45, 21, 36, 51, 13,
    57, 31, 24, 55, 6, 35, 9, 57, 5, 20, 60, 7, 51, 5, 19, 40, 25, 61, 32, 56,
    12, 36, 48, 21, 2, 58, 12, 39, 28, 9, 50, 40, 12, 44, 18, 25, 49, 6, 38, 11,
    62, 18, 46, 30, 9, 40, 25, 49, 19, 10, 36, 55, 22, 33, 52, 41, 18, 37, 27,
    49, 21, 2, 46, 7, 53, 33, 61, 27, 35},
   {41, 31, 5, 39, 51, 26, 33, 57, 27, 41, 9, 44, 54, 29, 48, 7, 44, 36, 57, 10,
    31, 63, 16, 45, 11, 60, 1, 47, 7, 20, 43, 3, 58, 36, 13, 52, 39, 7, 15, 28,
    22, 48, 30, 21, 1, 29, 49, 44, 27, 17, 40, 30, 24, 42, 12, 53, 33, 7, 47,
    20, 1, 42, 11, 49, 25, 43, 17, 32, 45, 27, 41, 21, 31, 62, 11, 49, 2, 15,
    42, 5, 63, 7, 41, 27, 49, 6, 54, 23, 46, 34, 2, 28, 54, 3, 59, 12, 46, 17,
    42, 28, 40, 1, 37, 51, 5, 55, 2, 34, 47, 16, 3, 62, 47, 5, 23, 56, 1, 44,
    12, 34, 51, 16, 57, 11, 25, 17, 54, 13},
   {60, 26, 55, 18, 3, 60, 20, 6, 52, 15, 50, 19, 32, 11, 23, 53, 26, 21, 1, 47,
    42, 27, 8, 58, 21, 27, 53, 36, 26, 54, 31, 50, 17, 30, 45, 1, 29, 59, 44,
    53, 41, 4, 35, 58, 51, 19, 32, 4, 52, 34, 48, 8, 51, 5, 56, 2, 25, 61, 27,
    38, 54, 27, 62, 21, 51, 1, 39, 62, 10, 50, 1, 58, 13, 47, 38, 18, 35, 54,
    22, 51, 30, 19, 59, 34, 14, 32, 44, 4, 60, 15, 52, 62, 20, 43, 30, 35, 21,
    60, 4, 52, 12, 24, 61, 18, 30, 42, 23, 61, 25, 50, 27, 38, 11, 59, 12, 35,
    50, 30, 59, 24, 8, 42, 28, 37, 48, 9, 44, 21},
   {10, 47, 15, 50, 30, 43, 8, 45, 29, 2, 36, 59, 1, 58, 41, 3, 63, 31, 54, 20,
    13, 55, 35, 38, 4, 44, 15, 9, 61, 2, 14, 38, 61, 10, 23, 54, 18, 12, 24, 2,
    14, 55, 16, 8, 38, 14, 41, 60, 10, 23, 1, 58, 32, 17, 28, 37, 41, 15, 3, 60,
    15, 33, 4, 36, 16, 59, 28, 14, 23, 55, 37, 18, 44, 28, 2, 57, 30, 10, 27,
    46, 14, 38, 3, 53, 21, 61, 17, 35, 10, 41, 26, 7, 33, 9, 57, 1, 53, 37, 26,
    20, 56, 48, 9, 33, 58, 16, 37, 7, 45, 1, 57, 15, 32, 26, 42, 23, 7, 20, 4,
    54, 31, 62, 22, 1, 59, 30, 4, 51},
   {36, 2, 38, 11, 24, 36, 54, 22, 62, 47, 25, 8, 28, 45, 16, 38, 12, 43, 9, 37,
    49, 3, 23, 52, 18, 30, 50, 33, 19, 42, 49, 26, 6, 40, 47, 35, 63, 38, 50,
    33, 60, 26, 36, 47, 24, 57, 6, 26, 39, 63, 19, 44, 14, 46, 61, 9, 50, 30,
    45, 23, 10, 50, 44, 8, 31, 54, 6, 46, 36, 4, 30, 54, 8, 52, 22, 41, 4, 60,
    40, 0, 58, 24, 45, 10, 37, 1, 48, 30, 56, 17, 38, 48, 24, 47, 19, 39, 14, 8,
    45, 32, 2, 34, 27, 44, 4, 52, 11, 56, 31, 21, 40, 19, 44, 51, 2, 63, 46, 58,
    36, 43, 14, 5, 50, 38, 14, 56, 40, 23},
   {61, 46, 32, 63, 54, 1, 14, 34, 12, 40, 18, 49, 37, 10, 61, 30, 51, 24, 60,
    7, 29, 40, 62, 11, 46, 58, 6, 56, 24, 10, 34, 52, 21, 59, 16, 3, 27, 5, 20,
    46, 9, 40, 7, 62, 2, 30, 53, 15, 48, 10, 28, 35, 54, 6, 21, 34, 18, 55, 7,
    40, 57, 19, 26, 60, 41, 13, 24, 51, 19, 61, 9, 25, 34, 15, 63, 11, 45, 17,
    20, 47, 33, 8, 31, 62, 43, 26, 53, 7, 24, 59, 0, 13, 55, 4, 62, 27, 51, 31,
    63, 15, 58, 7, 54, 14, 46, 22, 28, 43, 12, 63, 8, 54, 5, 17, 39, 33, 15, 10,
    27, 17, 47, 34, 19, 45, 27, 12, 33, 17},
   {5, 28, 21, 7, 17, 48, 42, 58, 23, 4, 63, 14, 55, 21, 34, 5, 19, 0, 45, 17,
    52, 15, 25, 32, 0, 22, 40, 13, 45, 62, 18, 0, 43, 11, 33, 55, 30, 42, 57,
    19, 51, 31, 22, 43, 18, 45, 34, 0, 43, 31, 56, 3, 23, 40, 59, 0, 44, 13, 48,
    35, 2, 32, 46, 0, 21, 48, 35, 3, 40, 32, 43, 59, 0, 48, 33, 26, 53, 36, 55,
    12, 51, 16, 55, 5, 18, 29, 11, 39, 51, 19, 45, 31, 42, 21, 35, 6, 22, 47,
    10, 38, 23, 50, 20, 36, 0, 60, 38, 4, 50, 35, 48, 34, 24, 57, 9, 53, 28, 48,
    61, 0, 56, 24, 53, 3, 63, 6, 42, 57},
   {13, 53, 45, 40, 58, 27, 6, 16, 38, 51, 33, 30, 43, 2, 47, 56, 40, 50, 33,
    57, 27, 5, 47, 42, 60, 36, 16, 54, 28, 4, 37, 57, 28, 51, 22, 8, 45, 14, 6,
    39, 0, 54, 11, 59, 28, 12, 50, 21, 61, 13, 19, 38, 49, 11, 25, 37, 58, 29,
    22, 63, 14, 56, 12, 53, 30, 63, 9, 57, 26, 12, 47, 16, 23, 39, 50, 6, 31, 2,
    25, 6, 28, 41, 36, 22, 50, 57, 42, 3, 34, 8, 28, 61, 11, 50, 16, 54, 41, 0,
    55, 43, 5, 29, 41, 63, 25, 16, 53, 18, 26, 10, 21, 0, 61, 30, 41, 22, 3, 38,
    20, 39, 29, 8, 41, 16, 36, 52, 22, 19},
   {55, 34, 0, 25, 10, 32, 56, 44, 28, 0, 57, 7, 26, 53, 23, 8, 13, 35, 22, 12,
    36, 60, 20, 8, 14, 29, 48, 2, 41, 49, 23, 13, 39, 7, 48, 58, 25, 53, 34, 62,
    28, 16, 48, 4, 37, 56, 27, 5, 36, 52, 46, 7, 62, 33, 52, 11, 17, 53, 5, 28,
    41, 24, 38, 17, 5, 39, 20, 45, 15, 56, 5, 38, 60, 8, 14, 57, 21, 48, 62, 39,
    59, 13, 1, 60, 9, 32, 16, 63, 44, 25, 52, 15, 36, 2, 60, 29, 12, 33, 25, 17,
    59, 45, 13, 8, 49, 32, 6, 40, 59, 29, 45, 37, 13, 47, 6, 55, 30, 45, 9, 52,
    13, 59, 25, 47, 32, 1, 49, 30},
   {9, 39, 14, 61, 49, 37, 3, 20, 50, 13, 41, 19, 46, 17, 38, 59, 28, 62, 4, 44,
    54, 1, 34, 51, 55, 7, 63, 32, 21, 8, 56, 31, 62, 19, 36, 1, 41, 17, 24, 12,
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    47, 17, 43, 0, 40, 59, 29, 2, 56, 10, 37, 5, 43, 11, 29, 52, 1, 23, 54, 41,
    59, 30, 55, 1, 62, 15, 33, 4, 43, 10, 47, 39, 1, 31, 40, 60, 49, 33, 7, 55,
    26, 50, 31, 61, 8, 18, 21, 32, 44, 1, 25, 47, 18, 36, 30, 23, 59, 7, 40, 59,
    27, 19, 38, 32, 44, 54, 40, 17, 38, 60, 27, 6, 35, 55, 10, 14, 44, 5, 50,
    17, 38, 26, 42, 50, 18, 3, 44, 52, 2, 49, 7, 52, 15, 46, 62, 39, 55, 10, 31,
    48, 3, 58, 33, 18, 61, 34, 13, 59},
   {39, 27, 63, 20, 35, 41, 4, 45, 26, 5, 38, 13, 44, 2, 50, 17, 37, 52, 2, 13,
    28, 58, 24, 51, 21, 8, 34, 48, 27, 42, 18, 51, 31, 56, 5, 36, 38, 44, 4, 17,
    26, 11, 38, 23, 42, 8, 56, 39, 24, 51, 5, 56, 21, 59, 14, 6, 18, 42, 22, 35,
    16, 37, 3, 25, 39, 46, 63, 5, 50, 17, 58, 8, 55, 3, 50, 12, 43, 17, 47, 2,
    51, 9, 62, 12, 1, 35, 13, 50, 1, 37, 12, 51, 19, 29, 46, 59, 22, 58, 33, 45,
    22, 60, 10, 32, 61, 39, 8, 33, 25, 36, 20, 60, 38, 4, 21, 5, 28, 45, 12, 18,
    42, 11, 49, 1, 27, 40, 6, 30},
   {24, 16, 42, 1, 50, 10, 48, 17, 33, 43, 24, 48, 21, 55, 31, 42, 10, 21, 63,
    35, 49, 6, 33, 13, 41, 53, 10, 20, 60, 6, 53, 26, 12, 41, 22, 60, 14, 28,
    63, 33, 49, 3, 45, 16, 48, 26, 14, 46, 18, 30, 35, 26, 8, 50, 29, 51, 25,
    57, 12, 47, 53, 9, 62, 20, 54, 2, 36, 15, 40, 28, 33, 13, 38, 24, 46, 1, 29,
    56, 33, 20, 44, 24, 41, 26, 57, 20, 63, 8, 30, 55, 5, 41, 62, 8, 34, 2, 37,
    10, 19, 6, 37, 1, 53, 23, 5, 27, 58, 22, 43, 12, 50, 26, 9, 34, 54, 32, 49,
    1, 59, 37, 22, 46, 25, 36, 51, 15, 54, 46},
   {52, 7, 45, 33, 26, 58, 14, 60, 7, 54, 3, 58, 8, 34, 14, 5, 59, 30, 18, 44,
    8, 22, 48, 62, 3, 26, 55, 38, 23, 16, 39, 1, 62, 24, 49, 9, 53, 19, 46, 7,
    19, 60, 31, 58, 2, 34, 53, 7, 59, 2, 62, 42, 46, 19, 36, 11, 44, 4, 38, 28,
    1, 43, 32, 51, 12, 29, 56, 22, 52, 2, 62, 49, 22, 60, 14, 35, 63, 5, 25, 57,
    14, 53, 4, 46, 18, 31, 42, 22, 47, 20, 58, 31, 16, 43, 23, 54, 30, 42, 52,
    57, 29, 49, 30, 13, 45, 48, 16, 55, 6, 63, 1, 44, 14, 58, 19, 47, 15, 24,
    51, 34, 6, 55, 5, 63, 20, 41, 21, 9},
   {30, 62, 18, 55, 5, 23, 39, 29, 49, 30, 15, 36, 28, 46, 60, 25, 39, 46, 4,
    32, 61, 40, 15, 30, 36, 45, 14, 2, 49, 33, 57, 45, 18, 32, 3, 45, 30, 2, 35,
    52, 40, 27, 13, 21, 38, 63, 20, 28, 37, 23, 16, 10, 13, 55, 2, 62, 21, 32,
    60, 17, 58, 23, 5, 40, 16, 48, 7, 45, 10, 26, 43, 19, 6, 31, 52, 21, 39, 16,
    48, 9, 37, 28, 36, 55, 7, 48, 3, 59, 15, 45, 25, 1, 53, 13, 47, 7, 62, 15,
    4, 25, 12, 41, 18, 60, 38, 11, 34, 19, 39, 31, 29, 56, 23, 42, 3, 27, 60,
    41, 8, 16, 61, 29, 43, 9, 32, 2, 60, 34},
   {3, 38, 13, 37, 52, 44, 2, 19, 12, 42, 63, 19, 40, 1, 20, 50, 12, 55, 15, 56,
    27, 1, 54, 11, 57, 18, 32, 63, 44, 4, 29, 13, 37, 61, 35, 16, 42, 57, 12,
    22, 6, 55, 43, 10, 50, 5, 44, 11, 48, 52, 34, 58, 28, 41, 38, 30, 7, 52, 11,
    49, 30, 14, 45, 27, 59, 34, 21, 38, 32, 58, 11, 36, 56, 42, 9, 41, 3, 54,
    31, 42, 0, 60, 16, 11, 39, 24, 52, 33, 6, 36, 10, 40, 32, 60, 26, 20, 39,
    28, 47, 34, 63, 8, 54, 3, 24, 56, 0, 51, 13, 47, 16, 40, 7, 35, 52, 11, 36,
    4, 57, 30, 39, 13, 18, 50, 58, 28, 12, 48},
   {57, 24, 49, 21, 10, 31, 61, 36, 56, 0, 22, 53, 11, 56, 32, 7, 36, 27, 41, 9,
    46, 19, 34, 42, 25, 7, 50, 9, 28, 21, 54, 8, 50, 7, 27, 59, 10, 25, 48, 62,
    37, 0, 33, 58, 25, 18, 32, 61, 0, 15, 45, 5, 50, 3, 23, 55, 47, 17, 40, 6,
    60, 34, 53, 8, 41, 0, 61, 13, 54, 4, 46, 28, 0, 17, 48, 27, 58, 13, 23, 61,
    33, 21, 50, 30, 62, 8, 14, 29, 56, 27, 61, 49, 17, 2, 44, 11, 51, 0, 59, 17,
    40, 20, 32, 47, 36, 21, 42, 28, 60, 4, 54, 10, 59, 17, 30, 62, 21, 43, 26,
    48, 0, 56, 36, 25, 8, 44, 39, 17},
   {10, 42, 4, 59, 27, 47, 8, 23, 51, 32, 45, 6, 37, 26, 48, 43, 62, 0, 21, 53,
    38, 12, 51, 5, 60, 47, 24, 37, 59, 15, 35, 47, 22, 55, 0, 50, 21, 40, 6, 29,
    15, 52, 24, 8, 41, 55, 13, 29, 40, 56, 24, 31, 19, 33, 61, 15, 0, 35, 24,
    42, 21, 2, 19, 57, 24, 15, 30, 50, 20, 25, 40, 16, 57, 34, 61, 8, 29, 45, 6,
    49, 11, 47, 2, 44, 19, 57, 38, 50, 12, 42, 21, 4, 35, 52, 28, 56, 23, 36,
    13, 45, 4, 52, 27, 14, 6, 62, 9, 45, 21, 37, 25, 46, 33, 49, 0, 44, 7, 53,
    13, 19, 53, 31, 3, 47, 15, 56, 22, 51},
   {35, 28, 53, 32, 1, 16, 54, 40, 9, 17, 25, 58, 14, 59, 3, 22, 16, 51, 31, 5,
    23, 58, 28, 17, 35, 20, 0, 42, 11, 52, 3, 31, 41, 17, 43, 13, 32, 54, 18,
    60, 32, 45, 17, 49, 2, 36, 51, 22, 7, 36, 9, 63, 48, 12, 46, 26, 43, 28, 63,
    13, 48, 37, 51, 33, 5, 47, 55, 9, 42, 63, 7, 51, 24, 12, 37, 19, 55, 34, 18,
    38, 15, 28, 54, 34, 5, 43, 22, 0, 48, 14, 54, 24, 58, 9, 38, 5, 32, 55, 21,
    30, 49, 9, 59, 43, 30, 51, 35, 26, 7, 53, 2, 22, 14, 27, 57, 18, 38, 24, 33,
    45, 10, 41, 20, 60, 37, 5, 32, 0},
   {63, 19, 15, 40, 62, 35, 14, 28, 46, 61, 4, 49, 35, 10, 29, 54, 33, 8, 45,
    62, 37, 1, 43, 55, 10, 52, 61, 30, 19, 40, 25, 62, 11, 38, 27, 58, 36, 3,
    46, 8, 39, 4, 62, 28, 47, 20, 4, 54, 47, 27, 43, 1, 21, 38, 8, 58, 10, 54,
    4, 56, 9, 26, 12, 39, 60, 27, 18, 37, 1, 31, 35, 5, 45, 50, 2, 43, 26, 1,
    59, 23, 56, 40, 7, 26, 58, 17, 32, 63, 25, 39, 7, 31, 45, 19, 63, 15, 48, 8,
    37, 61, 16, 34, 1, 56, 18, 3, 15, 58, 49, 32, 63, 41, 55, 5, 40, 22, 50, 6,
    59, 2, 63, 23, 52, 11, 26, 61, 44, 23},
   {11, 56, 46, 6, 22, 43, 58, 3, 34, 21, 38, 30, 18, 44, 52, 13, 41, 57, 17,
    28, 14, 49, 25, 7, 33, 39, 26, 6, 56, 48, 1, 20, 56, 5, 46, 9, 19, 51, 30,
    25, 56, 21, 35, 14, 57, 42, 16, 33, 10, 57, 17, 59, 41, 25, 53, 37, 20, 40,
    30, 18, 31, 62, 44, 22, 3, 44, 11, 48, 23, 53, 18, 60, 29, 22, 62, 15, 53,
    47, 10, 41, 3, 19, 52, 36, 13, 46, 10, 35, 3, 61, 41, 16, 1, 50, 26, 42, 18,
    46, 2, 25, 54, 20, 39, 23, 47, 31, 41, 12, 38, 17, 8, 19, 31, 48, 12, 61, 9,
    54, 29, 35, 15, 38, 6, 43, 34, 14, 7, 47},
   {39, 2, 33, 26, 53, 8, 18, 50, 41, 12, 53, 1, 63, 24, 19, 39, 2, 24, 47, 10,
    60, 38, 19, 63, 48, 4, 15, 45, 32, 14, 60, 36, 29, 53, 23, 63, 34, 12, 61,
    1, 43, 11, 53, 30, 1, 26, 60, 45, 23, 39, 3, 29, 12, 50, 4, 16, 51, 3, 45,
    36, 50, 1, 16, 54, 35, 14, 57, 30, 58, 9, 46, 14, 41, 10, 32, 38, 4, 30, 21,
    51, 32, 63, 25, 1, 60, 27, 53, 18, 51, 22, 28, 55, 34, 12, 40, 3, 60, 29,
    57, 41, 6, 44, 11, 53, 8, 61, 24, 57, 1, 28, 44, 59, 36, 3, 34, 25, 41, 31,
    16, 44, 22, 47, 28, 58, 1, 49, 54, 29},
   {58, 25, 50, 13, 38, 30, 60, 24, 6, 57, 27, 42, 9, 45, 6, 61, 30, 50, 4, 34,
    29, 3, 46, 13, 22, 42, 58, 28, 9, 39, 23, 44, 7, 15, 44, 2, 40, 15, 47, 41,
    23, 37, 7, 59, 38, 11, 34, 6, 62, 14, 52, 35, 55, 19, 32, 61, 33, 24, 57, 6,
    22, 59, 29, 7, 49, 25, 40, 3, 17, 39, 27, 52, 0, 55, 16, 57, 24, 61, 36, 6,
    29, 12, 48, 39, 20, 44, 6, 40, 33, 5, 48, 10, 57, 36, 22, 51, 33, 9, 24, 12,
    62, 29, 50, 35, 14, 43, 5, 33, 47, 52, 13, 23, 10, 51, 56, 16, 46, 1, 49, 4,
    61, 9, 52, 18, 31, 21, 36, 17},
   {19, 42, 9, 48, 2, 44, 11, 37, 48, 20, 33, 16, 55, 35, 49, 15, 37, 20, 59,
    16, 53, 22, 56, 31, 50, 11, 34, 54, 16, 51, 4, 49, 33, 53, 21, 28, 56, 24,
    31, 9, 52, 16, 48, 24, 44, 13, 51, 20, 31, 49, 18, 6, 34, 2, 44, 14, 47, 8,
    15, 43, 13, 41, 33, 52, 20, 61, 7, 51, 34, 62, 4, 20, 36, 33, 43, 8, 46, 13,
    53, 17, 45, 42, 9, 31, 52, 11, 30, 56, 13, 59, 17, 44, 27, 6, 62, 11, 43,
    17, 49, 38, 26, 2, 16, 27, 58, 21, 54, 18, 26, 5, 35, 61, 43, 27, 7, 39, 14,
    58, 37, 55, 20, 33, 13, 40, 62, 10, 55, 5},
   {51, 14, 61, 29, 59, 20, 55, 31, 0, 49, 11, 60, 3, 26, 22, 56, 0, 40, 12, 43,
    41, 8, 36, 0, 17, 57, 24, 2, 46, 26, 61, 18, 0, 38, 12, 59, 6, 49, 3, 57,
    19, 63, 5, 33, 18, 54, 28, 56, 0, 43, 26, 46, 63, 27, 56, 22, 27, 54, 38,
    28, 63, 24, 10, 45, 0, 31, 42, 21, 12, 25, 44, 49, 59, 6, 26, 50, 3, 34, 27,
    59, 0, 35, 62, 16, 4, 58, 47, 0, 43, 24, 37, 2, 54, 20, 46, 31, 0, 56, 34,
    5, 55, 45, 60, 37, 0, 40, 10, 38, 63, 46, 15, 20, 0, 53, 21, 62, 30, 11, 24,
    27, 40, 0, 57, 26, 3, 45, 27, 35}
};

/*****************************************************************************/
/* Actual rendering routines                                                 */
/* RGBA -> RGB565                                                            */
/*****************************************************************************/

/*****************************************************************************/
/* MACROS for plain RGBA -> RGB565 conversion */
#define WRITE1_RGBA_RGB565(src, dest)        \
*dest = ((*src >> 8) & 0xf800) |           \
        ((*src >> 5) & 0x7e0) |            \
        ((*src >> 3) & 0x1f); dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB565(src, dest)                   \
{                                                       \
 *((DATA32 *)dest) = ((src[1] >> 8) & 0xf800) |         \
                     ((src[1] >> 5) & 0x7e0) |          \
                     ((src[1] >> 3) & 0x1f) |           \
                     ((src[0] << 8) & 0xf8000000) |     \
                     ((src[0] << 11) & 0x7e00000) |     \
                     ((src[0] << 13) & 0x1f0000);       \
                     dest += 2; src += 2;               \
}
#else
#define WRITE2_RGBA_RGB565(src, dest)                    \
{                                                        \
 *((DATA32 *)dest) = ((src[0] >> 8) & 0xf800) |          \
                     ((src[0] >> 5) & 0x7e0) |           \
                     ((src[0] >> 3) & 0x1f) |            \
                     ((src[1] << 8) & 0xf8000000) |      \
                     ((src[1] << 11) & 0x7e00000) |      \
                     ((src[1] << 13) & 0x1f0000);        \
                     dest += 2; src += 2;                \
}
#endif
/*****************************************************************************/
/* MACROS for dithered RGBA -> RGB565 conversion */
#define DITHER_RGBA_565_LUT_R(num) \
(_dither_r16[(((x + num) & 0x3) << 10) | ((y & 0x3) << 8) | ((src[num] >> 16 ) & 0xff)])
#define DITHER_RGBA_565_LUT_G(num) \
(_dither_g16[(((x + num) & 0x3) << 10) | ((y & 0x3) << 8) | ((src[num] >> 8 ) & 0xff)])
#define DITHER_RGBA_565_LUT_B(num) \
(_dither_b16[(((x + num) & 0x3) << 10) | ((y & 0x3) << 8) | ((src[num] >> 0 ) & 0xff)])

#define WRITE1_RGBA_RGB565_DITHER(src, dest)                  \
*dest = (DITHER_RGBA_565_LUT_R(0)) |                          \
        (DITHER_RGBA_565_LUT_G(0)) |                          \
        (DITHER_RGBA_565_LUT_B(0)); dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB565_DITHER(src, dest)                  \
{                                                             \
 *((DATA32 *)dest) = ((DITHER_RGBA_565_LUT_R(1))) |           \
                     ((DITHER_RGBA_565_LUT_G(1))) |           \
                     ((DITHER_RGBA_565_LUT_B(1))) |           \
                     ((DITHER_RGBA_565_LUT_R(0) << 16)) |     \
                     ((DITHER_RGBA_565_LUT_G(0) << 16)) |     \
                     ((DITHER_RGBA_565_LUT_B(0) << 16));      \
                     dest += 2; src += 2;                     \
}
#else
#define WRITE2_RGBA_RGB565_DITHER(src, dest)                  \
{                                                             \
 *((DATA32 *)dest) = ((DITHER_RGBA_565_LUT_R(0))) |           \
                     ((DITHER_RGBA_565_LUT_G(0))) |           \
                     ((DITHER_RGBA_565_LUT_B(0))) |           \
                     ((DITHER_RGBA_565_LUT_R(1) << 16)) |     \
                     ((DITHER_RGBA_565_LUT_G(1) << 16)) |     \
                     ((DITHER_RGBA_565_LUT_B(1) << 16));      \
                     dest += 2; src += 2;                     \
}
#endif
/*****************************************************************************/
/* MACROS for plain RGBA -> BGR565 conversion */
#define WRITE1_RGBA_BGR565(src, dest)        \
*dest = ((*src << 8) & 0xf800) |           \
        ((*src >> 5) & 0x7e0) |            \
        ((*src >> 19)& 0x1f); dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_BGR565(src, dest)                   \
{                                                       \
 *((DATA32 *)dest) = ((src[1] << 8) & 0xf800) |         \
                     ((src[1] >> 5) & 0x7e0) |          \
                     ((src[1] >> 19)& 0x1f) |           \
                     ((src[0] << 24) & 0xf8000000) |     \
                     ((src[0] << 11) & 0x7e00000) |     \
                     ((src[0] >>  3) & 0x1f0000);       \
                     dest += 2; src += 2;               \
}
#else
#define WRITE2_RGBA_BGR565(src, dest)                    \
{                                                        \
 *((DATA32 *)dest) = ((src[0] << 8) & 0xf800) |          \
                     ((src[0] >> 5) & 0x7e0) |           \
                     ((src[0] >> 19)& 0x1f) |            \
                     ((src[1] << 24) & 0xf8000000) |      \
                     ((src[1] << 11) & 0x7e00000) |      \
                     ((src[1] >>  3) & 0x1f0000);        \
                     dest += 2; src += 2;                \
}
#endif
/*****************************************************************************/
/* MACROS for dithered RGBA -> BGR565 conversion */
#define DITHER_RGBA_BGR565_LUT_R(num) \
(_dither_r16[(((x + num) & 0x3) << 10) | ((y & 0x3) << 8) | ((src[num] >> 0 ) & 0xff)])
#define DITHER_RGBA_BGR565_LUT_G(num) \
(_dither_g16[(((x + num) & 0x3) << 10) | ((y & 0x3) << 8) | ((src[num] >> 8 ) & 0xff)])
#define DITHER_RGBA_BGR565_LUT_B(num) \
(_dither_b16[(((x + num) & 0x3) << 10) | ((y & 0x3) << 8) | ((src[num] >> 16) & 0xff)])

#define WRITE1_RGBA_BGR565_DITHER(src, dest)                  \
*dest = (DITHER_RGBA_BGR565_LUT_R(0)) |                       \
        (DITHER_RGBA_BGR565_LUT_G(0)) |                       \
        (DITHER_RGBA_BGR565_LUT_B(0)); dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_BGR565_DITHER(src, dest)                  \
{                                                             \
 *((DATA32 *)dest) = ((DITHER_RGBA_BGR565_LUT_R(1))) |        \
                     ((DITHER_RGBA_BGR565_LUT_G(1))) |        \
                     ((DITHER_RGBA_BGR565_LUT_B(1))) |        \
                     ((DITHER_RGBA_BGR565_LUT_R(0) << 16)) |  \
                     ((DITHER_RGBA_BGR565_LUT_G(0) << 16)) |  \
                     ((DITHER_RGBA_BGR565_LUT_B(0) << 16));   \
                     dest += 2; src += 2;                     \
}
#else
#define WRITE2_RGBA_BGR565_DITHER(src, dest)                  \
{                                                             \
 *((DATA32 *)dest) = ((DITHER_RGBA_BGR565_LUT_R(0))) |        \
                     ((DITHER_RGBA_BGR565_LUT_G(0))) |        \
                     ((DITHER_RGBA_BGR565_LUT_B(0))) |        \
                     ((DITHER_RGBA_BGR565_LUT_R(1) << 16)) |  \
                     ((DITHER_RGBA_BGR565_LUT_G(1) << 16)) |  \
                     ((DITHER_RGBA_BGR565_LUT_B(1) << 16));   \
                     dest += 2; src += 2;                     \
}
#endif

/*****************************************************************************/
/* Actual rendering routines                                                 */
/* RGBA -> RGB555                                                            */
/*****************************************************************************/

/*****************************************************************************/
/* MACROS for plain RGBA -> RGB555 conversion */
#define WRITE1_RGBA_RGB555(src, dest)        \
*dest = ((*src >> 9) & 0x7c00) |           \
        ((*src >> 6) & 0x3e0) |            \
        ((*src >> 3) & 0x1f); dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB555(src, dest)                   \
{                                                       \
 *((DATA32 *)dest) = ((src[1] >> 9) & 0x7c00) |         \
                     ((src[1] >> 6) & 0x3e0) |          \
                     ((src[1] >> 3) & 0x1f) |          \
                     ((src[0] << 7) & 0x7c000000) |    \
                     ((src[0] << 10) & 0x3e00000) |     \
                     ((src[0] << 13) & 0x1f0000);        \
                     dest += 2; src += 2;               \
}
#else
#define WRITE2_RGBA_RGB555(src, dest)                    \
{                                                        \
 *((DATA32 *)dest) = ((src[0] >> 9) & 0x7c00) |          \
                     ((src[0] >> 6) & 0x3e0) |           \
                     ((src[0] >> 3) & 0x1f) |           \
                     ((src[1] << 7) & 0x7c000000) |     \
                     ((src[1] << 10) & 0x3e00000) |      \
                     ((src[1] << 13) & 0x1f0000);         \
                     dest += 2; src += 2;                \
}
#endif
/*****************************************************************************/
/* MACROS for dithered RGBA -> RGB555 conversion */
#define DITHER_RGBA_555_LUT_R(num) \
(_dither_r16[(((x + num) & 0x3) << 10) | ((y & 0x3) << 8) | ((src[num] >> 16 ) & 0xff)])
#define DITHER_RGBA_555_LUT_G(num) \
(_dither_g16[(((x + num) & 0x3) << 10) | ((y & 0x3) << 8) | ((src[num] >> 8 ) & 0xff)])
#define DITHER_RGBA_555_LUT_B(num) \
(_dither_b16[(((x + num) & 0x3) << 10) | ((y & 0x3) << 8) | ((src[num] >> 0 ) & 0xff)])

#define WRITE1_RGBA_RGB555_DITHER(src, dest)                  \
*dest = (DITHER_RGBA_555_LUT_R(0)) |                          \
        (DITHER_RGBA_555_LUT_G(0)) |                          \
        (DITHER_RGBA_555_LUT_B(0)); dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB555_DITHER(src, dest)                  \
{                                                             \
 *((DATA32 *)dest) = ((DITHER_RGBA_555_LUT_R(1))) |           \
                     ((DITHER_RGBA_555_LUT_G(1))) |           \
                     ((DITHER_RGBA_555_LUT_B(1))) |           \
                     ((DITHER_RGBA_555_LUT_R(0) << 16)) |     \
                     ((DITHER_RGBA_555_LUT_G(0) << 16)) |     \
                     ((DITHER_RGBA_555_LUT_B(0) << 16));      \
                     dest += 2; src += 2;                     \
}
#else
#define WRITE2_RGBA_RGB555_DITHER(src, dest)                  \
{                                                             \
 *((DATA32 *)dest) = ((DITHER_RGBA_555_LUT_R(0))) |           \
                     ((DITHER_RGBA_555_LUT_G(0))) |           \
                     ((DITHER_RGBA_555_LUT_B(0))) |           \
                     ((DITHER_RGBA_555_LUT_R(1) << 16)) |     \
                     ((DITHER_RGBA_555_LUT_G(1) << 16)) |     \
                     ((DITHER_RGBA_555_LUT_B(1) << 16));      \
                     dest += 2; src += 2;                     \
}
#endif

/*****************************************************************************/
/* MACROS for plain RGBA -> BGR555 conversion */
#define WRITE1_RGBA_BGR555(src, dest)        \
*dest = ((*src << 7) & 0x7c00) |           \
        ((*src >> 6) & 0x3e0) |            \
        ((*src >> 19)& 0x1f); dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_BGR555(src, dest)                   \
{                                                       \
 *((DATA32 *)dest) = ((src[1] << 7) & 0x7c00) |         \
                     ((src[1] >> 6) & 0x3e0) |          \
                     ((src[1] >> 19)& 0x1f) |          \
                     ((src[0] << 23) & 0x7c000000) |    \
                     ((src[0] << 10) & 0x3e00000) |     \
                     ((src[0] >>  3) & 0x1f0000);        \
                     dest += 2; src += 2;               \
}
#else
#define WRITE2_RGBA_BGR555(src, dest)                    \
{                                                        \
 *((DATA32 *)dest) = ((src[0] << 7) & 0x7c00) |          \
                     ((src[0] >> 6) & 0x3e0) |           \
                     ((src[0] >> 19)& 0x1f) |           \
                     ((src[1] << 23) & 0x7c000000) |     \
                     ((src[1] << 10) & 0x3e00000) |      \
                     ((src[1] >>  3) & 0x1f0000);         \
                     dest += 2; src += 2;                \
}
#endif
/*****************************************************************************/
/* MACROS for dithered RGBA -> BGR555 conversion */
#define DITHER_RGBA_BGR555_LUT_R(num) \
(_dither_r16[(((x + num) & 0x3) << 10) | ((y & 0x3) << 8) | ((src[num] >> 0 ) & 0xff)])
#define DITHER_RGBA_BGR555_LUT_G(num) \
(_dither_g16[(((x + num) & 0x3) << 10) | ((y & 0x3) << 8) | ((src[num] >> 8 ) & 0xff)])
#define DITHER_RGBA_BGR555_LUT_B(num) \
(_dither_b16[(((x + num) & 0x3) << 10) | ((y & 0x3) << 8) | ((src[num] >> 16 ) & 0xff)])

#define WRITE1_RGBA_BGR555_DITHER(src, dest)                  \
*dest = (DITHER_RGBA_BGR555_LUT_R(0)) |                       \
        (DITHER_RGBA_BGR555_LUT_G(0)) |                       \
        (DITHER_RGBA_BGR555_LUT_B(0)); dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_BGR555_DITHER(src, dest)                  \
{                                                             \
 *((DATA32 *)dest) = ((DITHER_RGBA_BGR555_LUT_R(1))) |        \
                     ((DITHER_RGBA_BGR555_LUT_G(1))) |        \
                     ((DITHER_RGBA_BGR555_LUT_B(1))) |        \
                     ((DITHER_RGBA_BGR555_LUT_R(0) << 16)) |  \
                     ((DITHER_RGBA_BGR555_LUT_G(0) << 16)) |  \
                     ((DITHER_RGBA_BGR555_LUT_B(0) << 16));   \
                     dest += 2; src += 2;                     \
}
#else
#define WRITE2_RGBA_BGR555_DITHER(src, dest)                  \
{                                                             \
 *((DATA32 *)dest) = ((DITHER_RGBA_BGR555_LUT_R(0))) |        \
                     ((DITHER_RGBA_BGR555_LUT_G(0))) |        \
                     ((DITHER_RGBA_BGR555_LUT_B(0))) |        \
                     ((DITHER_RGBA_BGR555_LUT_R(1) << 16)) |  \
                     ((DITHER_RGBA_BGR555_LUT_G(1) << 16)) |  \
                     ((DITHER_RGBA_BGR555_LUT_B(1) << 16));   \
                     dest += 2; src += 2;                     \
}
#endif

/*****************************************************************************/
/* Actual rendering routines                                                 */
/* RGBA -> RGB332                                                            */
/*****************************************************************************/

/*****************************************************************************/
/* MACROS for plain RGBA -> RGB332 conversion */
#define WRITE1_RGBA_RGB332(src, dest)        \
*dest = _dither_color_lut[((*src >> 6)  & 0x03) |                          \
                          ((*src >> 11) & 0x1c) |                          \
                          ((*src >> 16) & 0xe0)]; dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB332(src, dest)                                      \
{                                                                          \
 *((DATA16 *)dest) = (_dither_color_lut[((src[1] >> 6)  & 0x03) |          \
                                        ((src[1] >> 11) & 0x1c) |          \
                                        ((src[1] >> 16) & 0xe0)]) |        \
                     (_dither_color_lut[((src[0] >> 6)  & 0x03) |          \
                                        ((src[0] >> 11) & 0x1c) |          \
                                        ((src[0] >> 16) & 0xe0)] << 8);    \
                     dest += 2; src += 2;                                  \
}
#define WRITE4_RGBA_RGB332(src, dest)                                      \
{                                                                          \
 *((DATA32 *)dest) = (_dither_color_lut[((src[3] >> 6)  & 0x03) |          \
                                        ((src[3] >> 11) & 0x1c) |          \
                                        ((src[3] >> 16) & 0xe0)]) |        \
                     (_dither_color_lut[((src[2] >> 6)  & 0x03) |          \
                                        ((src[2] >> 11) & 0x1c) |          \
                                        ((src[2] >> 16) & 0xe0)] << 8) |   \
                     (_dither_color_lut[((src[1] >> 6)  & 0x03) |          \
                                        ((src[1] >> 11) & 0x1c) |          \
                                        ((src[1] >> 16) & 0xe0)] << 16) |  \
                     (_dither_color_lut[((src[0] >> 6)  & 0x03) |          \
                                        ((src[0] >> 11) & 0x1c) |          \
                                        ((src[0] >> 16) & 0xe0)] << 24);   \
                     dest += 4; src += 4;                                  \
}
#else
#define WRITE2_RGBA_RGB332(src, dest)                                      \
{                                                                          \
 *((DATA16 *)dest) = (_dither_color_lut[((src[0] >> 6)  & 0x03) |          \
                                        ((src[0] >> 11) & 0x1c) |          \
                                        ((src[0] >> 16) & 0xe0)]) |        \
                     (_dither_color_lut[((src[1] >> 6)  & 0x03) |          \
                                        ((src[1] >> 11) & 0x1c) |          \
                                        ((src[1] >> 16) & 0xe0)] << 8);    \
                     dest += 2; src += 2;                                  \
}
#define WRITE4_RGBA_RGB332(src, dest)                                      \
{                                                                          \
 *((DATA32 *)dest) = (_dither_color_lut[((src[0] >> 6)  & 0x03) |          \
                                        ((src[0] >> 11) & 0x1c) |          \
                                        ((src[0] >> 16) & 0xe0)]) |        \
                     (_dither_color_lut[((src[1] >> 6)  & 0x03) |          \
                                        ((src[1] >> 11) & 0x1c) |          \
                                        ((src[1] >> 16) & 0xe0)] << 8) |   \
                     (_dither_color_lut[((src[2] >> 6)  & 0x03) |          \
                                        ((src[2] >> 11) & 0x1c) |          \
                                        ((src[2] >> 16) & 0xe0)] << 16) |  \
                     (_dither_color_lut[((src[3] >> 6)  & 0x03) |          \
                                        ((src[3] >> 11) & 0x1c) |          \
                                        ((src[3] >> 16) & 0xe0)] << 24);   \
                     dest += 4; src += 4;                                  \
}
#endif
/*****************************************************************************/
/* MACROS for dithered RGBA -> RGB332 conversion */
#define DITHER_RGBA_332_LUT_R(num) \
(_dither_r8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 16) & 0xff)])
#define DITHER_RGBA_332_LUT_G(num) \
(_dither_g8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 8)  & 0xff)])
#define DITHER_RGBA_332_LUT_B(num) \
(_dither_b8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 0) & 0xff)])

#define WRITE1_RGBA_RGB332_DITHER(src, dest)                                   \
*dest = _dither_color_lut[(DITHER_RGBA_332_LUT_R(0)) |                         \
                          (DITHER_RGBA_332_LUT_G(0)) |                         \
                          (DITHER_RGBA_332_LUT_B(0))]; dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE4_RGBA_RGB332_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_332_LUT_R(3))) |         \
                                        ((DITHER_RGBA_332_LUT_G(3))) |         \
                                        ((DITHER_RGBA_332_LUT_B(3)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_332_LUT_R(2))) |         \
                                        ((DITHER_RGBA_332_LUT_G(2))) |         \
                                        ((DITHER_RGBA_332_LUT_B(2)))] << 8) |  \
                     (_dither_color_lut[((DITHER_RGBA_332_LUT_R(1))) |         \
                                        ((DITHER_RGBA_332_LUT_G(1))) |         \
                                        ((DITHER_RGBA_332_LUT_B(1)))] << 16) | \
                     (_dither_color_lut[((DITHER_RGBA_332_LUT_R(0))) |         \
                                        ((DITHER_RGBA_332_LUT_G(0))) |         \
                                        ((DITHER_RGBA_332_LUT_B(0)))] << 24);  \
                     dest += 4; src += 4;                                      \
}
#define WRITE2_RGBA_RGB332_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_332_LUT_R(1))) |         \
                                        ((DITHER_RGBA_332_LUT_G(1))) |         \
                                        ((DITHER_RGBA_332_LUT_B(1)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_332_LUT_R(0))) |         \
                                        ((DITHER_RGBA_332_LUT_G(0))) |         \
                                        ((DITHER_RGBA_332_LUT_B(0)))] << 8);   \
                     dest += 2; src += 2;                                      \
}
#else
#define WRITE4_RGBA_RGB332_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_332_LUT_R(0))) |         \
                                        ((DITHER_RGBA_332_LUT_G(0))) |         \
                                        ((DITHER_RGBA_332_LUT_B(0)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_332_LUT_R(1))) |         \
                                        ((DITHER_RGBA_332_LUT_G(1))) |         \
                                        ((DITHER_RGBA_332_LUT_B(1)))] << 8) |  \
                     (_dither_color_lut[((DITHER_RGBA_332_LUT_R(2))) |         \
                                        ((DITHER_RGBA_332_LUT_G(2))) |         \
                                        ((DITHER_RGBA_332_LUT_B(2)))] << 16) | \
                     (_dither_color_lut[((DITHER_RGBA_332_LUT_R(3))) |         \
                                        ((DITHER_RGBA_332_LUT_G(3))) |         \
                                        ((DITHER_RGBA_332_LUT_B(3)))] << 24);  \
                     dest += 4; src += 4;                                      \
}
#define WRITE2_RGBA_RGB332_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_332_LUT_R(0))) |         \
                                        ((DITHER_RGBA_332_LUT_G(0))) |         \
                                        ((DITHER_RGBA_332_LUT_B(0)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_332_LUT_R(1))) |         \
                                        ((DITHER_RGBA_332_LUT_G(1))) |         \
                                        ((DITHER_RGBA_332_LUT_B(1)))] << 8);   \
                     dest += 2; src += 2;                                      \
}
#endif

/*****************************************************************************/
/* Actual rendering routines                                                 */
/* RGBA -> RGB666                                                            */
/*****************************************************************************/

/*****************************************************************************/
/* MACROS for plain RGBA -> RGB666 conversion */
#define WRITE1_RGBA_RGB666(src, dest)        \
{ \
*dest = _dither_color_lut[(_dither_666r[(*src >> 16) & 0xff]     ) +        \
                          (_dither_666g[(*src >> 8 ) & 0xff]     ) +        \
                          (_dither_666b[(*src      ) & 0xff]     )]; dest++; src++; \
}
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB666(src, dest)                                      \
{                                                                          \
 *((DATA32 *)dest) = (_dither_color_lut[(_dither_666r[(src[1] >> 16) & 0xff]     ) + \
                                        (_dither_666g[(src[1] >> 8 ) & 0xff]     ) + \
                                        (_dither_666b[(src[1]      ) & 0xff]     )]) | \
                     (_dither_color_lut[(_dither_666r[(src[0] >> 16) & 0xff]     ) + \
                                        (_dither_666g[(src[0] >> 8 ) & 0xff]     ) + \
                                        (_dither_666b[(src[0]      ) & 0xff]     )] << 8); \
                     dest += 2; src += 2;                                  \
}
#define WRITE4_RGBA_RGB666(src, dest)                                      \
{                                                                          \
 *((DATA32 *)dest) = (_dither_color_lut[(_dither_666r[(src[3] >> 16) & 0xff]     ) + \
                                        (_dither_666g[(src[3] >> 8 ) & 0xff]     ) + \
                                        (_dither_666b[(src[3]      ) & 0xff]     )]) | \
                     (_dither_color_lut[(_dither_666r[(src[2] >> 16) & 0xff]     ) + \
                                        (_dither_666g[(src[2] >> 8 ) & 0xff]     ) + \
                                        (_dither_666b[(src[2]      ) & 0xff]     )] << 8) | \
                     (_dither_color_lut[(_dither_666r[(src[1] >> 16) & 0xff]     ) + \
                                        (_dither_666g[(src[1] >> 8 ) & 0xff]     ) + \
                                        (_dither_666b[(src[1]      ) & 0xff]     )] << 16) | \
                     (_dither_color_lut[(_dither_666r[(src[0] >> 16) & 0xff]     ) + \
                                        (_dither_666g[(src[0] >> 8 ) & 0xff]     ) + \
                                        (_dither_666b[(src[0]      ) & 0xff]     )] << 24); \
                     dest += 4; src += 4;                                  \
}
#else
#define WRITE2_RGBA_RGB666(src, dest)                                      \
{                                                                          \
 *((DATA32 *)dest) = (_dither_color_lut[(_dither_666r[(src[0] >> 16) & 0xff]     ) + \
                                        (_dither_666g[(src[0] >> 8 ) & 0xff]     ) + \
                                        (_dither_666b[(src[0]      ) & 0xff]     )]) | \
                     (_dither_color_lut[(_dither_666r[(src[1] >> 16) & 0xff]     ) + \
                                        (_dither_666g[(src[1] >> 8 ) & 0xff]     ) + \
                                        (_dither_666b[(src[1]      ) & 0xff]     )] << 8); \
                     dest += 2; src += 2;                                  \
}
#define WRITE4_RGBA_RGB666(src, dest)                                      \
{                                                                          \
 *((DATA32 *)dest) = (_dither_color_lut[(_dither_666r[(src[0] >> 16) & 0xff]     ) + \
                                        (_dither_666g[(src[0] >> 8 ) & 0xff]     ) + \
                                        (_dither_666b[(src[0]      ) & 0xff]     )]) | \
                     (_dither_color_lut[(_dither_666r[(src[1] >> 16) & 0xff]     ) + \
                                        (_dither_666g[(src[1] >> 8 ) & 0xff]     ) + \
                                        (_dither_666b[(src[1]      ) & 0xff]     )] << 8) | \
                     (_dither_color_lut[(_dither_666r[(src[2] >> 16) & 0xff]     ) + \
                                        (_dither_666g[(src[2] >> 8 ) & 0xff]     ) + \
                                        (_dither_666b[(src[2]      ) & 0xff]     )] << 16) | \
                     (_dither_color_lut[(_dither_666r[(src[3] >> 16) & 0xff]     ) + \
                                        (_dither_666g[(src[3] >> 8 ) & 0xff]     ) + \
                                        (_dither_666b[(src[3]      ) & 0xff]     )] << 24); \
                     dest += 4; src += 4;                                  \
}
#endif
/*****************************************************************************/
/* MACROS for dithered RGBA -> RGB666 conversion */
#define DITHER_RGBA_666_LUT_R(num) \
(_dither_r8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 16) & 0xff)])
#define DITHER_RGBA_666_LUT_G(num) \
(_dither_g8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 8)  & 0xff)])
#define DITHER_RGBA_666_LUT_B(num) \
(_dither_b8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 0) & 0xff)])

#define WRITE1_RGBA_RGB666_DITHER(src, dest)                                   \
{ \
int _dith; \
int _r[1], _g[1], _b[1]; \
_dith = (_dither_128128[(x + 0) & 0x7f][y & 0x7f] << 2) | 7; \
_r[0] = ((((src[0] >> 16) & 0xff) * 5) + _dith) >> 8; \
_g[0] = ((((src[0] >> 8 ) & 0xff) * 5) + (262 - _dith)) >> 8; \
_b[0] = ((((src[0]      ) & 0xff) * 5) + _dith) >> 8; \
 *((DATA8 *)dest) = \
(_dither_color_lut[(_r[0] * 36) + (_g[0] * 6) + _b[0]])       \
; \
dest += 1; src += 1; \
}
#ifdef WORDS_BIGENDIAN
#define WRITE4_RGBA_RGB666_DITHER(src, dest) \
{ \
int _dith; \
int _r[4], _g[4], _b[4]; \
_dith = (_dither_128128[(x + 0) & 0x7f][y & 0x7f] << 2) | 7; \
_r[0] = ((((src[0] >> 16) & 0xff) * 5) + _dith) >> 8; \
_g[0] = ((((src[0] >> 8 ) & 0xff) * 5) + (262 - _dith)) >> 8; \
_b[0] = ((((src[0]      ) & 0xff) * 5) + _dith) >> 8; \
_dith = (_dither_128128[(x + 1) & 0x7f][y & 0x7f] << 2) | 7; \
_r[1] = ((((src[1] >> 16) & 0xff) * 5) + _dith) >> 8; \
_g[1] = ((((src[1] >> 8 ) & 0xff) * 5) + (262 - _dith)) >> 8; \
_b[1] = ((((src[1]      ) & 0xff) * 5) + _dith) >> 8; \
_dith = (_dither_128128[(x + 2) & 0x7f][y & 0x7f] << 2) | 7; \
_r[2] = ((((src[2] >> 16) & 0xff) * 5) + _dith) >> 8; \
_g[2] = ((((src[2] >> 8 ) & 0xff) * 5) + (262 - _dith)) >> 8; \
_b[2] = ((((src[2]      ) & 0xff) * 5) + _dith) >> 8; \
_dith = (_dither_128128[(x + 3) & 0x7f][y & 0x7f] << 2) | 7; \
_r[3] = ((((src[3] >> 16) & 0xff) * 5) + _dith) >> 8; \
_g[3] = ((((src[3] >> 8 ) & 0xff) * 5) + (262 - _dith)) >> 8; \
_b[3] = ((((src[3]      ) & 0xff) * 5) + _dith) >> 8; \
 *((DATA32 *)dest) = \
(_dither_color_lut[(_r[3] * 36) + (_g[3] * 6) + _b[3]]) |       \
(_dither_color_lut[(_r[2] * 36) + (_g[2] * 6) + _b[2]] << 8) |  \
(_dither_color_lut[(_r[1] * 36) + (_g[1] * 6) + _b[1]] << 16) | \
(_dither_color_lut[(_r[0] * 36) + (_g[0] * 6) + _b[0]] << 24)   \
; \
dest += 4; src += 4; \
}
#define WRITE2_RGBA_RGB666_DITHER(src, dest)                                   \
{ \
int _dith; \
int _r[2], _g[2], _b[2]; \
_dith = (_dither_128128[(x + 0) & 0x7f][y & 0x7f] << 2) | 7; \
_r[0] = ((((src[0] >> 16) & 0xff) * 5) + _dith) >> 8; \
_g[0] = ((((src[0] >> 8 ) & 0xff) * 5) + (262 - _dith)) >> 8; \
_b[0] = ((((src[0]      ) & 0xff) * 5) + _dith) >> 8; \
_dith = (_dither_128128[(x + 1) & 0x7f][y & 0x7f] << 2) | 7; \
_r[1] = ((((src[1] >> 16) & 0xff) * 5) + _dith) >> 8; \
_g[1] = ((((src[1] >> 8 ) & 0xff) * 5) + (262 - _dith)) >> 8; \
_b[1] = ((((src[1]      ) & 0xff) * 5) + _dith) >> 8; \
 *((DATA16 *)dest) = \
(_dither_color_lut[(_r[1] * 36) + (_g[1] * 6) + _b[1]]) |       \
(_dither_color_lut[(_r[0] * 36) + (_g[0] * 6) + _b[0]] << 8)  \
; \
dest += 2; src += 2; \
}
#else
#if 0                           /* OOOOOOLD code for 666 - the 666 dithering uses the 128x128 dither mask :) */
#define WRITE4_RGBA_RGB666_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_666_LUT_R(0))) +         \
                                        ((DITHER_RGBA_666_LUT_G(0))) +         \
                                        ((DITHER_RGBA_666_LUT_B(0)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_666_LUT_R(1))) +         \
                                        ((DITHER_RGBA_666_LUT_G(1))) +         \
                                        ((DITHER_RGBA_666_LUT_B(1)))] << 8) |  \
                     (_dither_color_lut[((DITHER_RGBA_666_LUT_R(2))) +         \
                                        ((DITHER_RGBA_666_LUT_G(2))) +         \
                                        ((DITHER_RGBA_666_LUT_B(2)))] << 16) | \
                     (_dither_color_lut[((DITHER_RGBA_666_LUT_R(3))) +         \
                                        ((DITHER_RGBA_666_LUT_G(3))) +         \
                                        ((DITHER_RGBA_666_LUT_B(3)))] << 24);  \
                     dest += 4; src += 4;                                      \
}
#define WRITE2_RGBA_RGB666_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA16 *)dest) = (_dither_color_lut[((DITHER_RGBA_666_LUT_R(0))) +         \
                                        ((DITHER_RGBA_666_LUT_G(0))) +         \
                                        ((DITHER_RGBA_666_LUT_B(0)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_666_LUT_R(1))) +         \
                                        ((DITHER_RGBA_666_LUT_G(1))) +         \
                                        ((DITHER_RGBA_666_LUT_B(1)))] << 8);   \
                     dest += 2; src += 2;                                      \
}
#else
#define WRITE4_RGBA_RGB666_DITHER(src, dest) \
{ \
int _dith; \
int _r[4], _g[4], _b[4]; \
_dith = (_dither_128128[(x + 0) & 0x7f][y & 0x7f] << 2) | 7; \
_r[0] = ((((src[0] >> 16) & 0xff) * 5) + _dith) >> 8; \
_g[0] = ((((src[0] >> 8 ) & 0xff) * 5) + (262 - _dith)) >> 8; \
_b[0] = ((((src[0]      ) & 0xff) * 5) + _dith) >> 8; \
_dith = (_dither_128128[(x + 1) & 0x7f][y & 0x7f] << 2) | 7; \
_r[1] = ((((src[1] >> 16) & 0xff) * 5) + _dith) >> 8; \
_g[1] = ((((src[1] >> 8 ) & 0xff) * 5) + (262 - _dith)) >> 8; \
_b[1] = ((((src[1]      ) & 0xff) * 5) + _dith) >> 8; \
_dith = (_dither_128128[(x + 2) & 0x7f][y & 0x7f] << 2) | 7; \
_r[2] = ((((src[2] >> 16) & 0xff) * 5) + _dith) >> 8; \
_g[2] = ((((src[2] >> 8 ) & 0xff) * 5) + (262 - _dith)) >> 8; \
_b[2] = ((((src[2]      ) & 0xff) * 5) + _dith) >> 8; \
_dith = (_dither_128128[(x + 3) & 0x7f][y & 0x7f] << 2) | 7; \
_r[3] = ((((src[3] >> 16) & 0xff) * 5) + _dith) >> 8; \
_g[3] = ((((src[3] >> 8 ) & 0xff) * 5) + (262 - _dith)) >> 8; \
_b[3] = ((((src[3]      ) & 0xff) * 5) + _dith) >> 8; \
 *((DATA32 *)dest) = \
(_dither_color_lut[(_r[0] * 36) + (_g[0] * 6) + _b[0]]) |       \
(_dither_color_lut[(_r[1] * 36) + (_g[1] * 6) + _b[1]] << 8) |  \
(_dither_color_lut[(_r[2] * 36) + (_g[2] * 6) + _b[2]] << 16) | \
(_dither_color_lut[(_r[3] * 36) + (_g[3] * 6) + _b[3]] << 24)   \
; \
dest += 4; src += 4; \
}
#define WRITE2_RGBA_RGB666_DITHER(src, dest)                                   \
{ \
int _dith; \
int _r[2], _g[2], _b[2]; \
_dith = (_dither_128128[(x + 0) & 0x7f][y & 0x7f] << 2) | 7; \
_r[0] = ((((src[0] >> 16) & 0xff) * 5) + _dith) >> 8; \
_g[0] = ((((src[0] >> 8 ) & 0xff) * 5) + (262 - _dith)) >> 8; \
_b[0] = ((((src[0]      ) & 0xff) * 5) + _dith) >> 8; \
_dith = (_dither_128128[(x + 1) & 0x7f][y & 0x7f] << 2) | 7; \
_r[1] = ((((src[1] >> 16) & 0xff) * 5) + _dith) >> 8; \
_g[1] = ((((src[1] >> 8 ) & 0xff) * 5) + (262 - _dith)) >> 8; \
_b[1] = ((((src[1]      ) & 0xff) * 5) + _dith) >> 8; \
 *((DATA16 *)dest) = \
(_dither_color_lut[(_r[0] * 36) + (_g[0] * 6) + _b[0]]) |       \
(_dither_color_lut[(_r[1] * 36) + (_g[1] * 6) + _b[1]] << 8)  \
; \
dest += 2; src += 2; \
}
#endif
#endif

/*****************************************************************************/
/* Actual rendering routines                                                 */
/* RGBA -> RGB232                                                            */
/*****************************************************************************/

/*****************************************************************************/
/* MACROS for plain RGBA -> RGB232 conversion */
#define RGB232_BSHIFT >> 6
#define RGB232_GSHIFT >> 11
#define RGB232_RSHIFT >> 17
#define RGB232_BMASK & 0x03
#define RGB232_GMASK & 0x1c
#define RGB232_RMASK & 0x60

#define WRITE1_RGBA_RGB232(src, dest)        \
*dest = _dither_color_lut[((*src RGB232_BSHIFT) RGB232_BMASK) |                          \
                          ((*src RGB232_GSHIFT) RGB232_GMASK) |                          \
                          ((*src RGB232_RSHIFT)  RGB232_RMASK)]; dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB232(src, dest)                                      \
{                                                                          \
 *((DATA16 *)dest) = (_dither_color_lut[((src[1] RGB232_BSHIFT) RGB232_BMASK) |          \
                                        ((src[1] RGB232_GSHIFT) RGB232_GMASK) |          \
                                        ((src[1] RGB232_RSHIFT) RGB232_RMASK)]) |        \
                     (_dither_color_lut[((src[0] RGB232_BSHIFT) RGB232_BMASK) |          \
                                        ((src[0] RGB232_GSHIFT) RGB232_GMASK) |          \
                                        ((src[0] RGB232_RSHIFT) RGB232_RMASK)] << 8);    \
                     dest += 2; src += 2;                                  \
}
#define WRITE4_RGBA_RGB232(src, dest)                                      \
{                                                                          \
 *((DATA32 *)dest) = (_dither_color_lut[((src[3] RGB232_BSHIFT) RGB232_BMASK) |          \
                                        ((src[3] RGB232_GSHIFT) RGB232_GMASK) |          \
                                        ((src[3] RGB232_RSHIFT) RGB232_RMASK)]) |        \
                     (_dither_color_lut[((src[2] RGB232_BSHIFT) RGB232_BMASK) |          \
                                        ((src[2] RGB232_GSHIFT) RGB232_GMASK) |          \
                                        ((src[2] RGB232_RSHIFT) RGB232_RMASK)] << 8) |   \
                     (_dither_color_lut[((src[1] RGB232_BSHIFT) RGB232_BMASK) |          \
                                        ((src[1] RGB232_GSHIFT) RGB232_GMASK) |          \
                                        ((src[1] RGB232_RSHIFT) RGB232_RMASK)] << 16) |  \
                     (_dither_color_lut[((src[0] RGB232_BSHIFT) RGB232_BMASK) |          \
                                        ((src[0] RGB232_GSHIFT) RGB232_GMASK) |          \
                                        ((src[0] RGB232_RSHIFT) RGB232_RMASK)] << 24);   \
                     dest += 4; src += 4;                                  \
}
#else
#define WRITE2_RGBA_RGB232(src, dest)                                      \
{                                                                          \
 *((DATA16 *)dest) = (_dither_color_lut[((src[0] RGB232_BSHIFT) RGB232_BMASK) |          \
                                        ((src[0] RGB232_GSHIFT) RGB232_GMASK) |          \
                                        ((src[0] RGB232_RSHIFT) RGB232_RMASK)]) |        \
                     (_dither_color_lut[((src[1] RGB232_BSHIFT) RGB232_BMASK) |          \
                                        ((src[1] RGB232_GSHIFT) RGB232_GMASK) |          \
                                        ((src[1] RGB232_RSHIFT) RGB232_RMASK)] << 8);    \
                     dest += 2; src += 2;                                  \
}
#define WRITE4_RGBA_RGB232(src, dest)                                      \
{                                                                          \
 *((DATA32 *)dest) = (_dither_color_lut[((src[0] RGB232_BSHIFT) RGB232_BMASK) |          \
                                        ((src[0] RGB232_GSHIFT) RGB232_GMASK) |          \
                                        ((src[0] RGB232_RSHIFT) RGB232_RMASK)]) |        \
                     (_dither_color_lut[((src[1] RGB232_BSHIFT) RGB232_BMASK) |          \
                                        ((src[1] RGB232_GSHIFT) RGB232_GMASK) |          \
                                        ((src[1] RGB232_RSHIFT) RGB232_RMASK)] << 8) |   \
                     (_dither_color_lut[((src[2] RGB232_BSHIFT) RGB232_BMASK) |          \
                                        ((src[2] RGB232_GSHIFT) RGB232_GMASK) |          \
                                        ((src[2] RGB232_RSHIFT) RGB232_RMASK)] << 16) |  \
                     (_dither_color_lut[((src[3] RGB232_BSHIFT) RGB232_BMASK) |          \
                                        ((src[3] RGB232_GSHIFT) RGB232_GMASK) |          \
                                        ((src[3] RGB232_RSHIFT) RGB232_RMASK)] << 24);   \
                     dest += 4; src += 4;                                  \
}
#endif
/*****************************************************************************/
/* MACROS for dithered RGBA -> RGB232 conversion */
#define DITHER_RGBA_232_LUT_R(num) \
(_dither_r8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 16) & 0xff)])
#define DITHER_RGBA_232_LUT_G(num) \
(_dither_g8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 8)  & 0xff)])
#define DITHER_RGBA_232_LUT_B(num) \
(_dither_b8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 0) & 0xff)])

#define WRITE1_RGBA_RGB232_DITHER(src, dest)                                   \
*dest = _dither_color_lut[(DITHER_RGBA_232_LUT_R(0)) |                         \
                          (DITHER_RGBA_232_LUT_G(0)) |                         \
                          (DITHER_RGBA_232_LUT_B(0))]; dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE4_RGBA_RGB232_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_232_LUT_R(3))) |         \
                                        ((DITHER_RGBA_232_LUT_G(3))) |         \
                                        ((DITHER_RGBA_232_LUT_B(3)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_232_LUT_R(2))) |         \
                                        ((DITHER_RGBA_232_LUT_G(2))) |         \
                                        ((DITHER_RGBA_232_LUT_B(2)))] << 8) |  \
                     (_dither_color_lut[((DITHER_RGBA_232_LUT_R(1))) |         \
                                        ((DITHER_RGBA_232_LUT_G(1))) |         \
                                        ((DITHER_RGBA_232_LUT_B(1)))] << 16) | \
                     (_dither_color_lut[((DITHER_RGBA_232_LUT_R(0))) |         \
                                        ((DITHER_RGBA_232_LUT_G(0))) |         \
                                        ((DITHER_RGBA_232_LUT_B(0)))] << 24);  \
                     dest += 4; src += 4;                                      \
}
#define WRITE2_RGBA_RGB232_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_232_LUT_R(1))) |         \
                                        ((DITHER_RGBA_232_LUT_G(1))) |         \
                                        ((DITHER_RGBA_232_LUT_B(1)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_232_LUT_R(0))) |         \
                                        ((DITHER_RGBA_232_LUT_G(0))) |         \
                                        ((DITHER_RGBA_232_LUT_B(0)))] << 8);   \
                     dest += 2; src += 2;                                      \
}
#else
#define WRITE4_RGBA_RGB232_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_232_LUT_R(0))) |         \
                                        ((DITHER_RGBA_232_LUT_G(0))) |         \
                                        ((DITHER_RGBA_232_LUT_B(0)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_232_LUT_R(1))) |         \
                                        ((DITHER_RGBA_232_LUT_G(1))) |         \
                                        ((DITHER_RGBA_232_LUT_B(1)))] << 8) |  \
                     (_dither_color_lut[((DITHER_RGBA_232_LUT_R(2))) |         \
                                        ((DITHER_RGBA_232_LUT_G(2))) |         \
                                        ((DITHER_RGBA_232_LUT_B(2)))] << 16) | \
                     (_dither_color_lut[((DITHER_RGBA_232_LUT_R(3))) |         \
                                        ((DITHER_RGBA_232_LUT_G(3))) |         \
                                        ((DITHER_RGBA_232_LUT_B(3)))] << 24);  \
                     dest += 4; src += 4;                                      \
}
#define WRITE2_RGBA_RGB232_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_232_LUT_R(0))) |         \
                                        ((DITHER_RGBA_232_LUT_G(0))) |         \
                                        ((DITHER_RGBA_232_LUT_B(0)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_232_LUT_R(1))) |         \
                                        ((DITHER_RGBA_232_LUT_G(1))) |         \
                                        ((DITHER_RGBA_232_LUT_B(1)))] << 8);   \
                     dest += 2; src += 2;                                      \
}
#endif

/*****************************************************************************/
/* Actual rendering routines                                                 */
/* RGBA -> RGB222                                                            */
/*****************************************************************************/

/*****************************************************************************/
/* MACROS for plain RGBA -> RGB222 conversion */
#define RGB222_BSHIFT >> 6
#define RGB222_GSHIFT >> 12
#define RGB222_RSHIFT >> 18
#define RGB222_BMASK & 0x03
#define RGB222_GMASK & 0x0c
#define RGB222_RMASK & 0x30

#define WRITE1_RGBA_RGB222(src, dest)        \
*dest = _dither_color_lut[((*src RGB222_BSHIFT) RGB222_BMASK) |                          \
                          ((*src RGB222_GSHIFT) RGB222_GMASK) |                          \
                          ((*src RGB222_RSHIFT)  RGB222_RMASK)]; dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB222(src, dest)                                      \
{                                                                          \
 *((DATA16 *)dest) = (_dither_color_lut[((src[1] RGB222_BSHIFT) RGB222_BMASK) |          \
                                        ((src[1] RGB222_GSHIFT) RGB222_GMASK) |          \
                                        ((src[1] RGB222_RSHIFT) RGB222_RMASK)]) |        \
                     (_dither_color_lut[((src[0] RGB222_BSHIFT) RGB222_BMASK) |          \
                                        ((src[0] RGB222_GSHIFT) RGB222_GMASK) |          \
                                        ((src[0] RGB222_RSHIFT) RGB222_RMASK)] << 8);    \
                     dest += 2; src += 2;                                  \
}
#define WRITE4_RGBA_RGB222(src, dest)                                      \
{                                                                          \
 *((DATA32 *)dest) = (_dither_color_lut[((src[3] RGB222_BSHIFT) RGB222_BMASK) |          \
                                        ((src[3] RGB222_GSHIFT) RGB222_GMASK) |          \
                                        ((src[3] RGB222_RSHIFT) RGB222_RMASK)]) |        \
                     (_dither_color_lut[((src[2] RGB222_BSHIFT) RGB222_BMASK) |          \
                                        ((src[2] RGB222_GSHIFT) RGB222_GMASK) |          \
                                        ((src[2] RGB222_RSHIFT) RGB222_RMASK)] << 8) |   \
                     (_dither_color_lut[((src[1] RGB222_BSHIFT) RGB222_BMASK) |          \
                                        ((src[1] RGB222_GSHIFT) RGB222_GMASK) |          \
                                        ((src[1] RGB222_RSHIFT) RGB222_RMASK)] << 16) |  \
                     (_dither_color_lut[((src[0] RGB222_BSHIFT) RGB222_BMASK) |          \
                                        ((src[0] RGB222_GSHIFT) RGB222_GMASK) |          \
                                        ((src[0] RGB222_RSHIFT) RGB222_RMASK)] << 24);   \
                     dest += 4; src += 4;                                  \
}
#else
#define WRITE2_RGBA_RGB222(src, dest)                                      \
{                                                                          \
 *((DATA16 *)dest) = (_dither_color_lut[((src[0] RGB222_BSHIFT) RGB222_BMASK) |          \
                                        ((src[0] RGB222_GSHIFT) RGB222_GMASK) |          \
                                        ((src[0] RGB222_RSHIFT) RGB222_RMASK)]) |        \
                     (_dither_color_lut[((src[1] RGB222_BSHIFT) RGB222_BMASK) |          \
                                        ((src[1] RGB222_GSHIFT) RGB222_GMASK) |          \
                                        ((src[1] RGB222_RSHIFT) RGB222_RMASK)] << 8);    \
                     dest += 2; src += 2;                                  \
}
#define WRITE4_RGBA_RGB222(src, dest)                                      \
{                                                                          \
 *((DATA32 *)dest) = (_dither_color_lut[((src[0] RGB222_BSHIFT) RGB222_BMASK) |          \
                                        ((src[0] RGB222_GSHIFT) RGB222_GMASK) |          \
                                        ((src[0] RGB222_RSHIFT) RGB222_RMASK)]) |        \
                     (_dither_color_lut[((src[1] RGB222_BSHIFT) RGB222_BMASK) |          \
                                        ((src[1] RGB222_GSHIFT) RGB222_GMASK) |          \
                                        ((src[1] RGB222_RSHIFT) RGB222_RMASK)] << 8) |   \
                     (_dither_color_lut[((src[2] RGB222_BSHIFT) RGB222_BMASK) |          \
                                        ((src[2] RGB222_GSHIFT) RGB222_GMASK) |          \
                                        ((src[2] RGB222_RSHIFT) RGB222_RMASK)] << 16) |  \
                     (_dither_color_lut[((src[3] RGB222_BSHIFT) RGB222_BMASK) |          \
                                        ((src[3] RGB222_GSHIFT) RGB222_GMASK) |          \
                                        ((src[3] RGB222_RSHIFT) RGB222_RMASK)] << 24);   \
                     dest += 4; src += 4;                                  \
}
#endif
/*****************************************************************************/
/* MACROS for dithered RGBA -> RGB222 conversion */
#define DITHER_RGBA_222_LUT_R(num) \
(_dither_r8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 16) & 0xff)])
#define DITHER_RGBA_222_LUT_G(num) \
(_dither_g8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 8)  & 0xff)])
#define DITHER_RGBA_222_LUT_B(num) \
(_dither_b8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 0) & 0xff)])

#define WRITE1_RGBA_RGB222_DITHER(src, dest)                                   \
*dest = _dither_color_lut[(DITHER_RGBA_222_LUT_R(0)) |                         \
                          (DITHER_RGBA_222_LUT_G(0)) |                         \
                          (DITHER_RGBA_222_LUT_B(0))]; dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE4_RGBA_RGB222_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_222_LUT_R(3))) |         \
                                        ((DITHER_RGBA_222_LUT_G(3))) |         \
                                        ((DITHER_RGBA_222_LUT_B(3)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_222_LUT_R(2))) |         \
                                        ((DITHER_RGBA_222_LUT_G(2))) |         \
                                        ((DITHER_RGBA_222_LUT_B(2)))] << 8) |  \
                     (_dither_color_lut[((DITHER_RGBA_222_LUT_R(1))) |         \
                                        ((DITHER_RGBA_222_LUT_G(1))) |         \
                                        ((DITHER_RGBA_222_LUT_B(1)))] << 16) | \
                     (_dither_color_lut[((DITHER_RGBA_222_LUT_R(0))) |         \
                                        ((DITHER_RGBA_222_LUT_G(0))) |         \
                                        ((DITHER_RGBA_222_LUT_B(0)))] << 24);  \
                     dest += 4; src += 4;                                      \
}
#define WRITE2_RGBA_RGB222_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_222_LUT_R(1))) |         \
                                        ((DITHER_RGBA_222_LUT_G(1))) |         \
                                        ((DITHER_RGBA_222_LUT_B(1)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_222_LUT_R(0))) |         \
                                        ((DITHER_RGBA_222_LUT_G(0))) |         \
                                        ((DITHER_RGBA_222_LUT_B(0)))] << 8);   \
                     dest += 2; src += 2;                                      \
}
#else
#define WRITE4_RGBA_RGB222_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_222_LUT_R(0))) |         \
                                        ((DITHER_RGBA_222_LUT_G(0))) |         \
                                        ((DITHER_RGBA_222_LUT_B(0)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_222_LUT_R(1))) |         \
                                        ((DITHER_RGBA_222_LUT_G(1))) |         \
                                        ((DITHER_RGBA_222_LUT_B(1)))] << 8) |  \
                     (_dither_color_lut[((DITHER_RGBA_222_LUT_R(2))) |         \
                                        ((DITHER_RGBA_222_LUT_G(2))) |         \
                                        ((DITHER_RGBA_222_LUT_B(2)))] << 16) | \
                     (_dither_color_lut[((DITHER_RGBA_222_LUT_R(3))) |         \
                                        ((DITHER_RGBA_222_LUT_G(3))) |         \
                                        ((DITHER_RGBA_222_LUT_B(3)))] << 24);  \
                     dest += 4; src += 4;                                      \
}
#define WRITE2_RGBA_RGB222_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_222_LUT_R(0))) |         \
                                        ((DITHER_RGBA_222_LUT_G(0))) |         \
                                        ((DITHER_RGBA_222_LUT_B(0)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_222_LUT_R(1))) |         \
                                        ((DITHER_RGBA_222_LUT_G(1))) |         \
                                        ((DITHER_RGBA_222_LUT_B(1)))] << 8);   \
                     dest += 2; src += 2;                                      \
}
#endif

/*****************************************************************************/
/* Actual rendering routines                                                 */
/* RGBA -> RGB221                                                            */
/*****************************************************************************/

/*****************************************************************************/
/* MACROS for plain RGBA -> RGB221 conversion */
#define RGB221_BSHIFT >> 7
#define RGB221_GSHIFT >> 13
#define RGB221_RSHIFT >> 19
#define RGB221_BMASK & 0x01
#define RGB221_GMASK & 0x06
#define RGB221_RMASK & 0x18

#define WRITE1_RGBA_RGB221(src, dest)        \
*dest = _dither_color_lut[((*src RGB221_BSHIFT) RGB221_BMASK) |                          \
                          ((*src RGB221_GSHIFT) RGB221_GMASK) |                          \
                          ((*src RGB221_RSHIFT)  RGB221_RMASK)]; dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB221(src, dest)                                      \
{                                                                          \
 *((DATA16 *)dest) = (_dither_color_lut[((src[1] RGB221_BSHIFT) RGB221_BMASK) |          \
                                        ((src[1] RGB221_GSHIFT) RGB221_GMASK) |          \
                                        ((src[1] RGB221_RSHIFT) RGB221_RMASK)]) |        \
                     (_dither_color_lut[((src[0] RGB221_BSHIFT) RGB221_BMASK) |          \
                                        ((src[0] RGB221_GSHIFT) RGB221_GMASK) |          \
                                        ((src[0] RGB221_RSHIFT) RGB221_RMASK)] << 8);    \
                     dest += 2; src += 2;                                  \
}
#define WRITE4_RGBA_RGB221(src, dest)                                      \
{                                                                          \
 *((DATA32 *)dest) = (_dither_color_lut[((src[3] RGB221_BSHIFT) RGB221_BMASK) |          \
                                        ((src[3] RGB221_GSHIFT) RGB221_GMASK) |          \
                                        ((src[3] RGB221_RSHIFT) RGB221_RMASK)]) |        \
                     (_dither_color_lut[((src[2] RGB221_BSHIFT) RGB221_BMASK) |          \
                                        ((src[2] RGB221_GSHIFT) RGB221_GMASK) |          \
                                        ((src[2] RGB221_RSHIFT) RGB221_RMASK)] << 8) |   \
                     (_dither_color_lut[((src[1] RGB221_BSHIFT) RGB221_BMASK) |          \
                                        ((src[1] RGB221_GSHIFT) RGB221_GMASK) |          \
                                        ((src[1] RGB221_RSHIFT) RGB221_RMASK)] << 16) |  \
                     (_dither_color_lut[((src[0] RGB221_BSHIFT) RGB221_BMASK) |          \
                                        ((src[0] RGB221_GSHIFT) RGB221_GMASK) |          \
                                        ((src[0] RGB221_RSHIFT) RGB221_RMASK)] << 24);   \
                     dest += 4; src += 4;                                  \
}
#else
#define WRITE2_RGBA_RGB221(src, dest)                                      \
{                                                                          \
 *((DATA16 *)dest) = (_dither_color_lut[((src[0] RGB221_BSHIFT) RGB221_BMASK) |          \
                                        ((src[0] RGB221_GSHIFT) RGB221_GMASK) |          \
                                        ((src[0] RGB221_RSHIFT) RGB221_RMASK)]) |        \
                     (_dither_color_lut[((src[1] RGB221_BSHIFT) RGB221_BMASK) |          \
                                        ((src[1] RGB221_GSHIFT) RGB221_GMASK) |          \
                                        ((src[1] RGB221_RSHIFT) RGB221_RMASK)] << 8);    \
                     dest += 2; src += 2;                                  \
}
#define WRITE4_RGBA_RGB221(src, dest)                                      \
{                                                                          \
 *((DATA32 *)dest) = (_dither_color_lut[((src[0] RGB221_BSHIFT) RGB221_BMASK) |          \
                                        ((src[0] RGB221_GSHIFT) RGB221_GMASK) |          \
                                        ((src[0] RGB221_RSHIFT) RGB221_RMASK)]) |        \
                     (_dither_color_lut[((src[1] RGB221_BSHIFT) RGB221_BMASK) |          \
                                        ((src[1] RGB221_GSHIFT) RGB221_GMASK) |          \
                                        ((src[1] RGB221_RSHIFT) RGB221_RMASK)] << 8) |   \
                     (_dither_color_lut[((src[2] RGB221_BSHIFT) RGB221_BMASK) |          \
                                        ((src[2] RGB221_GSHIFT) RGB221_GMASK) |          \
                                        ((src[2] RGB221_RSHIFT) RGB221_RMASK)] << 16) |  \
                     (_dither_color_lut[((src[3] RGB221_BSHIFT) RGB221_BMASK) |          \
                                        ((src[3] RGB221_GSHIFT) RGB221_GMASK) |          \
                                        ((src[3] RGB221_RSHIFT) RGB221_RMASK)] << 24);   \
                     dest += 4; src += 4;                                  \
}
#endif
/*****************************************************************************/
/* MACROS for dithered RGBA -> RGB221 conversion */
#define DITHER_RGBA_221_LUT_R(num) \
(_dither_r8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 16) & 0xff)])
#define DITHER_RGBA_221_LUT_G(num) \
(_dither_g8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 8)  & 0xff)])
#define DITHER_RGBA_221_LUT_B(num) \
(_dither_b8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 0) & 0xff)])

#define WRITE1_RGBA_RGB221_DITHER(src, dest)                                   \
*dest = _dither_color_lut[(DITHER_RGBA_221_LUT_R(0)) |                         \
                          (DITHER_RGBA_221_LUT_G(0)) |                         \
                          (DITHER_RGBA_221_LUT_B(0))]; dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE4_RGBA_RGB221_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_221_LUT_R(3))) |         \
                                        ((DITHER_RGBA_221_LUT_G(3))) |         \
                                        ((DITHER_RGBA_221_LUT_B(3)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_221_LUT_R(2))) |         \
                                        ((DITHER_RGBA_221_LUT_G(2))) |         \
                                        ((DITHER_RGBA_221_LUT_B(2)))] << 8) |  \
                     (_dither_color_lut[((DITHER_RGBA_221_LUT_R(1))) |         \
                                        ((DITHER_RGBA_221_LUT_G(1))) |         \
                                        ((DITHER_RGBA_221_LUT_B(1)))] << 16) | \
                     (_dither_color_lut[((DITHER_RGBA_221_LUT_R(0))) |         \
                                        ((DITHER_RGBA_221_LUT_G(0))) |         \
                                        ((DITHER_RGBA_221_LUT_B(0)))] << 24);  \
                     dest += 4; src += 4;                                      \
}
#define WRITE2_RGBA_RGB221_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_221_LUT_R(1))) |         \
                                        ((DITHER_RGBA_221_LUT_G(1))) |         \
                                        ((DITHER_RGBA_221_LUT_B(1)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_221_LUT_R(0))) |         \
                                        ((DITHER_RGBA_221_LUT_G(0))) |         \
                                        ((DITHER_RGBA_221_LUT_B(0)))] << 8);   \
                     dest += 2; src += 2;                                      \
}
#else
#define WRITE4_RGBA_RGB221_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_221_LUT_R(0))) |         \
                                        ((DITHER_RGBA_221_LUT_G(0))) |         \
                                        ((DITHER_RGBA_221_LUT_B(0)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_221_LUT_R(1))) |         \
                                        ((DITHER_RGBA_221_LUT_G(1))) |         \
                                        ((DITHER_RGBA_221_LUT_B(1)))] << 8) |  \
                     (_dither_color_lut[((DITHER_RGBA_221_LUT_R(2))) |         \
                                        ((DITHER_RGBA_221_LUT_G(2))) |         \
                                        ((DITHER_RGBA_221_LUT_B(2)))] << 16) | \
                     (_dither_color_lut[((DITHER_RGBA_221_LUT_R(3))) |         \
                                        ((DITHER_RGBA_221_LUT_G(3))) |         \
                                        ((DITHER_RGBA_221_LUT_B(3)))] << 24);  \
                     dest += 4; src += 4;                                      \
}
#define WRITE2_RGBA_RGB221_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_221_LUT_R(0))) |         \
                                        ((DITHER_RGBA_221_LUT_G(0))) |         \
                                        ((DITHER_RGBA_221_LUT_B(0)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_221_LUT_R(1))) |         \
                                        ((DITHER_RGBA_221_LUT_G(1))) |         \
                                        ((DITHER_RGBA_221_LUT_B(1)))] << 8);   \
                     dest += 2; src += 2;                                      \
}
#endif

/*****************************************************************************/
/* Actual rendering routines                                                 */
/* RGBA -> RGB121                                                            */
/*****************************************************************************/

/*****************************************************************************/
/* MACROS for plain RGBA -> RGB121 conversion */
#define RGB121_BSHIFT >> 7
#define RGB121_GSHIFT >> 13
#define RGB121_RSHIFT >> 20
#define RGB121_BMASK & 0x01
#define RGB121_GMASK & 0x06
#define RGB121_RMASK & 0x08

#define WRITE1_RGBA_RGB121(src, dest)        \
*dest = _dither_color_lut[((*src RGB121_BSHIFT) RGB121_BMASK) |                          \
                          ((*src RGB121_GSHIFT) RGB121_GMASK) |                          \
                          ((*src RGB121_RSHIFT)  RGB121_RMASK)]; dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB121(src, dest)                                      \
{                                                                          \
 *((DATA16 *)dest) = (_dither_color_lut[((src[1] RGB121_BSHIFT) RGB121_BMASK) |          \
                                        ((src[1] RGB121_GSHIFT) RGB121_GMASK) |          \
                                        ((src[1] RGB121_RSHIFT) RGB121_RMASK)]) |        \
                     (_dither_color_lut[((src[0] RGB121_BSHIFT) RGB121_BMASK) |          \
                                        ((src[0] RGB121_GSHIFT) RGB121_GMASK) |          \
                                        ((src[0] RGB121_RSHIFT) RGB121_RMASK)] << 8);    \
                     dest += 2; src += 2;                                  \
}
#define WRITE4_RGBA_RGB121(src, dest)                                      \
{                                                                          \
 *((DATA32 *)dest) = (_dither_color_lut[((src[3] RGB121_BSHIFT) RGB121_BMASK) |          \
                                        ((src[3] RGB121_GSHIFT) RGB121_GMASK) |          \
                                        ((src[3] RGB121_RSHIFT) RGB121_RMASK)]) |        \
                     (_dither_color_lut[((src[2] RGB121_BSHIFT) RGB121_BMASK) |          \
                                        ((src[2] RGB121_GSHIFT) RGB121_GMASK) |          \
                                        ((src[2] RGB121_RSHIFT) RGB121_RMASK)] << 8) |   \
                     (_dither_color_lut[((src[1] RGB121_BSHIFT) RGB121_BMASK) |          \
                                        ((src[1] RGB121_GSHIFT) RGB121_GMASK) |          \
                                        ((src[1] RGB121_RSHIFT) RGB121_RMASK)] << 16) |  \
                     (_dither_color_lut[((src[0] RGB121_BSHIFT) RGB121_BMASK) |          \
                                        ((src[0] RGB121_GSHIFT) RGB121_GMASK) |          \
                                        ((src[0] RGB121_RSHIFT) RGB121_RMASK)] << 24);   \
                     dest += 4; src += 4;                                  \
}
#else
#define WRITE2_RGBA_RGB121(src, dest)                                      \
{                                                                          \
 *((DATA16 *)dest) = (_dither_color_lut[((src[0] RGB121_BSHIFT) RGB121_BMASK) |          \
                                        ((src[0] RGB121_GSHIFT) RGB121_GMASK) |          \
                                        ((src[0] RGB121_RSHIFT) RGB121_RMASK)]) |        \
                     (_dither_color_lut[((src[1] RGB121_BSHIFT) RGB121_BMASK) |          \
                                        ((src[1] RGB121_GSHIFT) RGB121_GMASK) |          \
                                        ((src[1] RGB121_RSHIFT) RGB121_RMASK)] << 8);    \
                     dest += 2; src += 2;                                  \
}
#define WRITE4_RGBA_RGB121(src, dest)                                      \
{                                                                          \
 *((DATA32 *)dest) = (_dither_color_lut[((src[0] RGB121_BSHIFT) RGB121_BMASK) |          \
                                        ((src[0] RGB121_GSHIFT) RGB121_GMASK) |          \
                                        ((src[0] RGB121_RSHIFT) RGB121_RMASK)]) |        \
                     (_dither_color_lut[((src[1] RGB121_BSHIFT) RGB121_BMASK) |          \
                                        ((src[1] RGB121_GSHIFT) RGB121_GMASK) |          \
                                        ((src[1] RGB121_RSHIFT) RGB121_RMASK)] << 8) |   \
                     (_dither_color_lut[((src[2] RGB121_BSHIFT) RGB121_BMASK) |          \
                                        ((src[2] RGB121_GSHIFT) RGB121_GMASK) |          \
                                        ((src[2] RGB121_RSHIFT) RGB121_RMASK)] << 16) |  \
                     (_dither_color_lut[((src[3] RGB121_BSHIFT) RGB121_BMASK) |          \
                                        ((src[3] RGB121_GSHIFT) RGB121_GMASK) |          \
                                        ((src[3] RGB121_RSHIFT) RGB121_RMASK)] << 24);   \
                     dest += 4; src += 4;                                  \
}
#endif
/*****************************************************************************/
/* MACROS for dithered RGBA -> RGB121 conversion */
#define DITHER_RGBA_121_LUT_R(num) \
(_dither_r8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 16) & 0xff)])
#define DITHER_RGBA_121_LUT_G(num) \
(_dither_g8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 8)  & 0xff)])
#define DITHER_RGBA_121_LUT_B(num) \
(_dither_b8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 0) & 0xff)])

#define WRITE1_RGBA_RGB121_DITHER(src, dest)                                   \
*dest = _dither_color_lut[(DITHER_RGBA_121_LUT_R(0)) |                         \
                          (DITHER_RGBA_121_LUT_G(0)) |                         \
                          (DITHER_RGBA_121_LUT_B(0))]; dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE4_RGBA_RGB121_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_121_LUT_R(3))) |         \
                                        ((DITHER_RGBA_121_LUT_G(3))) |         \
                                        ((DITHER_RGBA_121_LUT_B(3)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_121_LUT_R(2))) |         \
                                        ((DITHER_RGBA_121_LUT_G(2))) |         \
                                        ((DITHER_RGBA_121_LUT_B(2)))] << 8) |  \
                     (_dither_color_lut[((DITHER_RGBA_121_LUT_R(1))) |         \
                                        ((DITHER_RGBA_121_LUT_G(1))) |         \
                                        ((DITHER_RGBA_121_LUT_B(1)))] << 16) | \
                     (_dither_color_lut[((DITHER_RGBA_121_LUT_R(0))) |         \
                                        ((DITHER_RGBA_121_LUT_G(0))) |         \
                                        ((DITHER_RGBA_121_LUT_B(0)))] << 24);  \
                     dest += 4; src += 4;                                      \
}
#define WRITE2_RGBA_RGB121_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_121_LUT_R(1))) |         \
                                        ((DITHER_RGBA_121_LUT_G(1))) |         \
                                        ((DITHER_RGBA_121_LUT_B(1)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_121_LUT_R(0))) |         \
                                        ((DITHER_RGBA_121_LUT_G(0))) |         \
                                        ((DITHER_RGBA_121_LUT_B(0)))] << 8);   \
                     dest += 2; src += 2;                                      \
}
#else
#define WRITE4_RGBA_RGB121_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_121_LUT_R(0))) |         \
                                        ((DITHER_RGBA_121_LUT_G(0))) |         \
                                        ((DITHER_RGBA_121_LUT_B(0)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_121_LUT_R(1))) |         \
                                        ((DITHER_RGBA_121_LUT_G(1))) |         \
                                        ((DITHER_RGBA_121_LUT_B(1)))] << 8) |  \
                     (_dither_color_lut[((DITHER_RGBA_121_LUT_R(2))) |         \
                                        ((DITHER_RGBA_121_LUT_G(2))) |         \
                                        ((DITHER_RGBA_121_LUT_B(2)))] << 16) | \
                     (_dither_color_lut[((DITHER_RGBA_121_LUT_R(3))) |         \
                                        ((DITHER_RGBA_121_LUT_G(3))) |         \
                                        ((DITHER_RGBA_121_LUT_B(3)))] << 24);  \
                     dest += 4; src += 4;                                      \
}
#define WRITE2_RGBA_RGB121_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_121_LUT_R(0))) |         \
                                        ((DITHER_RGBA_121_LUT_G(0))) |         \
                                        ((DITHER_RGBA_121_LUT_B(0)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_121_LUT_R(1))) |         \
                                        ((DITHER_RGBA_121_LUT_G(1))) |         \
                                        ((DITHER_RGBA_121_LUT_B(1)))] << 8);   \
                     dest += 2; src += 2;                                      \
}
#endif

/*****************************************************************************/
/* Actual rendering routines                                                 */
/* RGBA -> RGB111                                                            */
/*****************************************************************************/

/*****************************************************************************/
/* MACROS for plain RGBA -> RGB111 conversion */
#define RGB111_BSHIFT >> 7
#define RGB111_GSHIFT >> 14
#define RGB111_RSHIFT >> 21
#define RGB111_BMASK & 0x01
#define RGB111_GMASK & 0x02
#define RGB111_RMASK & 0x04

#define WRITE1_RGBA_RGB111(src, dest)        \
*dest = _dither_color_lut[((*src RGB111_BSHIFT) RGB111_BMASK) |                          \
                          ((*src RGB111_GSHIFT) RGB111_GMASK) |                          \
                          ((*src RGB111_RSHIFT) RGB111_RMASK)]; dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE2_RGBA_RGB111(src, dest)                                      \
{                                                                          \
 *((DATA16 *)dest) = (_dither_color_lut[((src[1] RGB111_BSHIFT) RGB111_BMASK) |          \
                                        ((src[1] RGB111_GSHIFT) RGB111_GMASK) |          \
                                        ((src[1] RGB111_RSHIFT) RGB111_RMASK)]) |        \
                     (_dither_color_lut[((src[0] RGB111_BSHIFT) RGB111_BMASK) |          \
                                        ((src[0] RGB111_GSHIFT) RGB111_GMASK) |          \
                                        ((src[0] RGB111_RSHIFT) RGB111_RMASK)] << 8);    \
                     dest += 2; src += 2;                                  \
}
#define WRITE4_RGBA_RGB111(src, dest)                                      \
{                                                                          \
 *((DATA32 *)dest) = (_dither_color_lut[((src[3] RGB111_BSHIFT) RGB111_BMASK) |          \
                                        ((src[3] RGB111_GSHIFT) RGB111_GMASK) |          \
                                        ((src[3] RGB111_RSHIFT) RGB111_RMASK)]) |        \
                     (_dither_color_lut[((src[2] RGB111_BSHIFT) RGB111_BMASK) |          \
                                        ((src[2] RGB111_GSHIFT) RGB111_GMASK) |          \
                                        ((src[2] RGB111_RSHIFT) RGB111_RMASK)] << 8) |   \
                     (_dither_color_lut[((src[1] RGB111_BSHIFT) RGB111_BMASK) |          \
                                        ((src[1] RGB111_GSHIFT) RGB111_GMASK) |          \
                                        ((src[1] RGB111_RSHIFT) RGB111_RMASK)] << 16) |  \
                     (_dither_color_lut[((src[0] RGB111_BSHIFT) RGB111_BMASK) |          \
                                        ((src[0] RGB111_GSHIFT) RGB111_GMASK) |          \
                                        ((src[0] RGB111_RSHIFT) RGB111_RMASK)] << 24);   \
                     dest += 4; src += 4;                                  \
}
#else
#define WRITE2_RGBA_RGB111(src, dest)                                      \
{                                                                          \
 *((DATA16 *)dest) = (_dither_color_lut[((src[0] RGB111_BSHIFT) RGB111_BMASK) |          \
                                        ((src[0] RGB111_GSHIFT) RGB111_GMASK) |          \
                                        ((src[0] RGB111_RSHIFT) RGB111_RMASK)]) |        \
                     (_dither_color_lut[((src[1] RGB111_BSHIFT) RGB111_BMASK) |          \
                                        ((src[1] RGB111_GSHIFT) RGB111_GMASK) |          \
                                        ((src[1] RGB111_RSHIFT) RGB111_RMASK)] << 8);    \
                     dest += 2; src += 2;                                  \
}
#define WRITE4_RGBA_RGB111(src, dest)                                      \
{                                                                          \
 *((DATA32 *)dest) = (_dither_color_lut[((src[0] RGB111_BSHIFT) RGB111_BMASK) |          \
                                        ((src[0] RGB111_GSHIFT) RGB111_GMASK) |          \
                                        ((src[0] RGB111_RSHIFT) RGB111_RMASK)]) |        \
                     (_dither_color_lut[((src[1] RGB111_BSHIFT) RGB111_BMASK) |          \
                                        ((src[1] RGB111_GSHIFT) RGB111_GMASK) |          \
                                        ((src[1] RGB111_RSHIFT) RGB111_RMASK)] << 8) |   \
                     (_dither_color_lut[((src[2] RGB111_BSHIFT) RGB111_BMASK) |          \
                                        ((src[2] RGB111_GSHIFT) RGB111_GMASK) |          \
                                        ((src[2] RGB111_RSHIFT) RGB111_RMASK)] << 16) |  \
                     (_dither_color_lut[((src[3] RGB111_BSHIFT) RGB111_BMASK) |          \
                                        ((src[3] RGB111_GSHIFT) RGB111_GMASK) |          \
                                        ((src[3] RGB111_RSHIFT) RGB111_RMASK)] << 24);   \
                     dest += 4; src += 4;                                  \
}
#endif
/*****************************************************************************/
/* MACROS for dithered RGBA -> RGB111 conversion */
#define DITHER_RGBA_111_LUT_R(num) \
(_dither_r8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 16) & 0xff)])
#define DITHER_RGBA_111_LUT_G(num) \
(_dither_g8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 8)  & 0xff)])
#define DITHER_RGBA_111_LUT_B(num) \
(_dither_b8[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 0) & 0xff)])

#define WRITE1_RGBA_RGB111_DITHER(src, dest)                                   \
*dest = _dither_color_lut[(DITHER_RGBA_111_LUT_R(0)) |                         \
                          (DITHER_RGBA_111_LUT_G(0)) |                         \
                          (DITHER_RGBA_111_LUT_B(0))]; dest++; src++
#ifdef WORDS_BIGENDIAN
#define WRITE4_RGBA_RGB111_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_111_LUT_R(3))) |         \
                                        ((DITHER_RGBA_111_LUT_G(3))) |         \
                                        ((DITHER_RGBA_111_LUT_B(3)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_111_LUT_R(2))) |         \
                                        ((DITHER_RGBA_111_LUT_G(2))) |         \
                                        ((DITHER_RGBA_111_LUT_B(2)))] << 8) |  \
                     (_dither_color_lut[((DITHER_RGBA_111_LUT_R(1))) |         \
                                        ((DITHER_RGBA_111_LUT_G(1))) |         \
                                        ((DITHER_RGBA_111_LUT_B(1)))] << 16) | \
                     (_dither_color_lut[((DITHER_RGBA_111_LUT_R(0))) |         \
                                        ((DITHER_RGBA_111_LUT_G(0))) |         \
                                        ((DITHER_RGBA_111_LUT_B(0)))] << 24);  \
                     dest += 4; src += 4;                                      \
}
#define WRITE2_RGBA_RGB111_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_111_LUT_R(1))) |         \
                                        ((DITHER_RGBA_111_LUT_G(1))) |         \
                                        ((DITHER_RGBA_111_LUT_B(1)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_111_LUT_R(0))) |         \
                                        ((DITHER_RGBA_111_LUT_G(0))) |         \
                                        ((DITHER_RGBA_111_LUT_B(0)))] << 8);   \
                     dest += 2; src += 2;                                      \
}
#else
#define WRITE4_RGBA_RGB111_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_111_LUT_R(0))) |         \
                                        ((DITHER_RGBA_111_LUT_G(0))) |         \
                                        ((DITHER_RGBA_111_LUT_B(0)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_111_LUT_R(1))) |         \
                                        ((DITHER_RGBA_111_LUT_G(1))) |         \
                                        ((DITHER_RGBA_111_LUT_B(1)))] << 8) |  \
                     (_dither_color_lut[((DITHER_RGBA_111_LUT_R(2))) |         \
                                        ((DITHER_RGBA_111_LUT_G(2))) |         \
                                        ((DITHER_RGBA_111_LUT_B(2)))] << 16) | \
                     (_dither_color_lut[((DITHER_RGBA_111_LUT_R(3))) |         \
                                        ((DITHER_RGBA_111_LUT_G(3))) |         \
                                        ((DITHER_RGBA_111_LUT_B(3)))] << 24);  \
                     dest += 4; src += 4;                                      \
}
#define WRITE2_RGBA_RGB111_DITHER(src, dest)                                   \
{                                                                              \
 *((DATA32 *)dest) = (_dither_color_lut[((DITHER_RGBA_111_LUT_R(0))) |         \
                                        ((DITHER_RGBA_111_LUT_G(0))) |         \
                                        ((DITHER_RGBA_111_LUT_B(0)))]) |       \
                     (_dither_color_lut[((DITHER_RGBA_111_LUT_R(1))) |         \
                                        ((DITHER_RGBA_111_LUT_G(1))) |         \
                                        ((DITHER_RGBA_111_LUT_B(1)))] << 8);   \
                     dest += 2; src += 2;                                      \
}
#endif

/*****************************************************************************/
/* Actual rendering routines                                                 */
/* RGBA -> RGB1 (mono B&W)                                                   */
/*****************************************************************************/

/*****************************************************************************/
/* MACROS for plain RGBA -> RGB1 conversion */

#define WRITE1_RGBA_RGB1(src, dest)                                   \
*dest = _dither_color_lut[((((*src >> 0) & 0xff) +                    \
                           ((*src >>  8) & 0xff) +                    \
                           ((*src >> 16) & 0xff)) / 3) >> 7]; dest++; src++
/*****************************************************************************/
/* MACROS for dithered RGBA -> RGB1 conversion */
#define DITHER_RGBA_1_LUT(num) \
(_dither_r8[(((x + num) & 0x7) << DM_BS1) |   \
            ((y & 0x7)         << DM_BS2) |    \
            ((((*src >> 0) & 0xff) +      \
             ((*src >>  8) & 0xff) +      \
             ((*src >> 16) & 0xff)) / 3)])

#define WRITE1_RGBA_RGB1_DITHER(src, dest)                        \
*dest = _dither_color_lut[(DITHER_RGBA_1_LUT(0))]; dest++; src++

/*****************************************************************************/
/* Actual rendering routines                                                 */
/* RGBA -> A1 (mono B&W - alpha mas)                                         */
/*****************************************************************************/

/*****************************************************************************/
/* MACROS for plain RGBA -> A1 conversion */
#if 0                           /* Old fixed-threshold macros - Remove? */

#ifdef WORDS_BIGENDIAN
# define WRITE1_RGBA_A1(src, dest)                   \
*dest |= ((*src & 0x80000000) >> (24 + (x & 0x7)));  \
if ((x & 0x7) == 0x7) dest++;                        \
src++
#else
# define WRITE1_RGBA_A1(src, dest)                   \
*dest |= ((*src & 0x80000000) >> (31 - (x & 0x7))); \
if ((x & 0x7) == 0x7) dest++;                       \
src++
#endif

#else

#ifdef WORDS_BIGENDIAN
# define WRITE1_RGBA_A1(src, dest, threshold) \
if ((*src >> 24) >= threshold)      \
  *dest |= (1 << (7 - (x & 0x7)));  \
if ((x & 0x7) == 0x7) dest++;       \
src++
#else
# define WRITE1_RGBA_A1(src, dest, threshold) \
if ((*src >> 24) >= threshold)      \
  *dest |= (1 << (x & 0x7));        \
if ((x & 0x7) == 0x7) dest++;       \
src++
#endif

#endif

/*****************************************************************************/
/* MACROS for dithered RGBA -> A1 conversion */
/* FIXME: Mask alpha threshold is not handled (thus the default 128 is used) */
# define DITHER_RGBA_A1_LUT(num) \
(_dither_a1[(((x + num) & 0x7) << DM_BS1) | ((y & 0x7) << DM_BS2) | ((src[num] >> 24))])
#ifdef WORDS_BIGENDIAN
#define WRITE1_RGBA_A1_DITHER(src, dest, threshold) \
*dest |= (DITHER_RGBA_A1_LUT(0)) << (7 - (x & 0x7)); \
if ((x & 0x7) == 0x7) dest++;                        \
src++;
#else
#define WRITE1_RGBA_A1_DITHER(src, dest, threshold) \
*dest |= (DITHER_RGBA_A1_LUT(0)) << (0 + (x & 0x7)); \
if ((x & 0x7) == 0x7) dest++;                        \
src++;
#endif

/*****************************************************************************/
/* Actual rendering routines                                                 */
/* RGBA -> RGB8888                                                           */
/*****************************************************************************/

/*****************************************************************************/
/* MACROS for plain RGBA -> RGB8888 conversion */
#define WRITE1_RGBA_RGB8888(src, dest)             \
*dest = *src; dest++; src++;
# define WRITE1_RGBA_BGR8888(src, dest)            \
*dest = (((*src) >> 16) & 0x0000ff) |              \
        (((*src)      ) & 0x00ff00) |              \
        (((*src) << 16) & 0xff0000); dest++; src++;

/*****************************************************************************/
/* Actual rendering routines                                                 */
/* RGBA -> RGB888                                                            */
/*****************************************************************************/

/*****************************************************************************/
/* MACROS for plain RGBA -> RGB888 conversion */
#define WRITE1_RGBA_RGB888(src, dest)             \
*dest = ((*src >> 0)   & 0xff); dest++;           \
*dest = ((*src >> 8)   & 0xff); dest++;           \
*dest = ((*src >> 16)  & 0xff); dest++; src++;
#define WRITE1_RGBA_BGR888(src, dest)             \
*dest = ((*src >> 16)  & 0xff); dest++;           \
*dest = ((*src >> 8)   & 0xff); dest++;           \
*dest = ((*src >> 0)   & 0xff); dest++; src++;

void
__imlib_RGBASetupContext(Context * ct)
{
   _dither_color_lut = ct->palette;
   _pal_type = ct->palette_type;

   if ((ct->depth == 16) || (ct->depth == 15))
     {
        _dither_r16 = (DATA16 *) ct->r_dither;
        _dither_g16 = (DATA16 *) ct->g_dither;
        _dither_b16 = (DATA16 *) ct->b_dither;
     }
   else if (ct->depth <= 8)
     {
        switch (_pal_type)
          {
          case 0:
          case 1:
          case 2:
          case 3:
          case 4:
          case 5:
          case 7:
             _dither_r8 = (DATA8 *) ct->r_dither;
             _dither_g8 = (DATA8 *) ct->g_dither;
             _dither_b8 = (DATA8 *) ct->b_dither;
             break;
          case 6:
             _dither_r8 = (DATA8 *) ct->r_dither;
             break;
          default:
             break;
          }
     }
   _dither_r8 = (DATA8 *) ct->r_dither;
}

/* Palette mode stuff */

void
__imlib_RGBA_init(void *rd, void *gd, void *bd, int depth, DATA8 palette_type)
{
   DATA16             *rd16, *gd16, *bd16;
   DATA8              *rd8, *gd8, *bd8;
   int                 i, x, y;

   if (!dither_a_init)
     {
        for (y = 0; y < 8; y++)
          {
             for (x = 0; x < 8; x++)
               {
                  for (i = 0; i < 256; i++)
                    {
                       int                 pi;

                       pi = (i * (256 - 128)) / 255;
                       if ((_dither_88[x][y] < ((pi & 0x7f) >> 1))
                           && (pi < (256 - 128)))
                          _dither_a1[(x << DM_BS1) | (y << DM_BS2) | i] =
                             (((pi + 128) >> 7) & 0x01);
                       else
                          _dither_a1[(x << DM_BS1) | (y << DM_BS2) | i] =
                             ((pi >> 7) & 0x01);
                    }
               }
          }
        dither_a_init = 1;
     }
   if (!rd || !gd || !bd)
      return;
   switch (depth)
     {
     case 16:
        rd16 = (DATA16 *) rd;
        gd16 = (DATA16 *) gd;
        bd16 = (DATA16 *) bd;
        for (y = 0; y < 4; y++)
          {
             for (x = 0; x < 4; x++)
               {
                  for (i = 0; i < 256; i++)
                    {
                       if ((_dither_44[x][y] < (i & 0x7)) && (i < (256 - 8)))
                          rd16[(x << 10) | (y << 8) | i] =
                             ((i + 8) & 0xf8) << 8;
                       else
                          rd16[(x << 10) | (y << 8) | i] = (i & 0xf8) << 8;

                       if ((_dither_44[x][y] < ((i & 0x3) << 1))
                           && (i < (256 - 4)))
                          gd16[(x << 10) | (y << 8) | i] =
                             (((i + 4) & 0xfc) << 8) >> 5;
                       else
                          gd16[(x << 10) | (y << 8) | i] =
                             ((i & 0xfc) << 8) >> 5;

                       if ((_dither_44[x][y] < (i & 0x7)) && (i < (256 - 8)))
                          bd16[(x << 10) | (y << 8) | i] =
                             (((i + 8) & 0xf8) << 16) >> 19;
                       else
                          bd16[(x << 10) | (y << 8) | i] =
                             ((i & 0xf8) << 16) >> 19;
                    }
               }
          }
        break;
     case 15:
        rd16 = (DATA16 *) rd;
        gd16 = (DATA16 *) gd;
        bd16 = (DATA16 *) bd;
        for (y = 0; y < 4; y++)
          {
             for (x = 0; x < 4; x++)
               {
                  for (i = 0; i < 256; i++)
                    {
                       if ((_dither_44[x][y] < (i & 0x7)) && (i < (256 - 8)))
                          rd16[(x << 10) | (y << 8) | i] =
                             (((i + 8) & 0xf8) << 8) >> 1;
                       else
                          rd16[(x << 10) | (y << 8) | i] =
                             ((i & 0xf8) << 8) >> 1;

                       if ((_dither_44[x][y] < (i & 0x7)) && (i < (256 - 8)))
                          gd16[(x << 10) | (y << 8) | i] =
                             (((i + 8) & 0xf8) << 8) >> 6;
                       else
                          gd16[(x << 10) | (y << 8) | i] =
                             ((i & 0xf8) << 8) >> 6;

                       if ((_dither_44[x][y] < (i & 0x7)) && (i < (256 - 8)))
                          bd16[(x << 10) | (y << 8) | i] =
                             (((i + 8) & 0xf8) << 16) >> 19;
                       else
                          bd16[(x << 10) | (y << 8) | i] =
                             ((i & 0xf8) << 16) >> 19;
                    }
               }
          }
        break;
     default:
        rd8 = (DATA8 *) rd;
        gd8 = (DATA8 *) gd;
        bd8 = (DATA8 *) bd;
        switch (palette_type)
          {
          case 0:
             for (y = 0; y < DM_Y; y++)
               {
                  for (x = 0; x < DM_X; x++)
                    {
                       for (i = 0; i < 256; i++)
                         {
                            int                 pi;

                            pi = (i * (256 - 32)) / 255;
                            if ((_dither_88[x][y] < ((pi & 0x1f) << 1))
                                && (pi < (256 - 32)))
                               rd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  ((pi + 32) & 0xe0);
                            else
                               rd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  (pi & 0xe0);

                            pi = (i * (256 - 32)) / 255;
                            if ((_dither_88[x][y] < ((pi & 0x1f) << 1))
                                && (pi < (256 - 32)))
                               gd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  (((pi + 32) >> 3) & 0x1c);
                            else
                               gd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  ((pi >> 3) & 0x1c);

                            pi = (i * (256 - 64)) / 255;
                            if ((_dither_88[x][y] < (pi & 0x3f))
                                && (pi < (256 - 64)))
                               bd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  (((pi + 64) >> 6) & 0x03);
                            else
                               bd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  ((pi >> 6) & 0x03);
                         }
                    }
               }
             break;
          case 7:              /* 666 8 bit 216 color rgb cube */
             if (!_dither_666r)
               {
                  _dither_666r = malloc(256 * sizeof(DATA8));
                  _dither_666g = malloc(256 * sizeof(DATA8));
                  _dither_666b = malloc(256 * sizeof(DATA8));
               }
             for (y = 0; y < 256; y++)
               {
                  _dither_666r[y] = (DATA8) (((y * 6) >> 8) * 6 * 6);
                  _dither_666g[y] = (DATA8) (((y * 6) >> 8) * 6);
                  _dither_666b[y] = (DATA8) (((y * 6) >> 8));
               }
             for (y = 0; y < DM_Y; y++)
               {
                  for (x = 0; x < DM_X; x++)
                    {
                       for (i = 0; i < 256; i++)
                         {
                            double              pi;

                            pi = 64.0 *
                               (((double)i -
                                 (_dither_666b[i] * (256.0 / 6.0))) /
                                (256.0 / 6.0));
                            if ((_dither_88[x][y] < (DATA8) pi)
                                && ((double)i < (256 - (256.0 / 6.0))))
                              {
                                 rd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                    (_dither_666b[i] + 1) * 6 * 6;
                                 gd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                    (_dither_666b[i] + 1) * 6;
                                 bd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                    (_dither_666b[i] + 1);
                              }
                            else
                              {
                                 rd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                    (_dither_666b[i]) * 6 * 6;
                                 gd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                    (_dither_666b[i]) * 6;
                                 bd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                    (_dither_666b[i]);
                              }
                         }
                    }
               }
             break;
          case 1:
             for (y = 0; y < DM_Y; y++)
               {
                  for (x = 0; x < DM_X; x++)
                    {
                       for (i = 0; i < 256; i++)
                         {
                            int                 pi;

                            pi = (i * (256 - 64)) / 255;
                            if ((_dither_88[x][y] < (pi & 0x3f))
                                && (pi < (256 - 64)))
                               rd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  (((pi + 64) >> 1) & 0x60);
                            else
                               rd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  ((pi >> 1) & 0x60);

                            pi = (i * (256 - 32)) / 255;
                            if ((_dither_88[x][y] < ((pi & 0x1f) << 1))
                                && (pi < (256 - 32)))
                               gd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  (((pi + 32) >> 3) & 0x1c);
                            else
                               gd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  ((pi >> 3) & 0x1c);

                            pi = (i * (256 - 64)) / 255;
                            if ((_dither_88[x][y] < (pi & 0x3f))
                                && (pi < (256 - 64)))
                               bd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  (((pi + 64) >> 6) & 0x03);
                            else
                               bd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  ((pi >> 6) & 0x03);
                         }
                    }
               }
             break;
          case 2:
             for (y = 0; y < DM_Y; y++)
               {
                  for (x = 0; x < DM_X; x++)
                    {
                       for (i = 0; i < 256; i++)
                         {
                            int                 pi;

                            pi = (i * (256 - 64)) / 255;
                            if ((_dither_88[x][y] < (pi & 0x3f))
                                && (pi < (256 - 64)))
                               rd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  (((pi + 64) >> 2) & 0x30);
                            else
                               rd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  ((pi >> 2) & 0x30);

                            pi = (i * (256 - 64)) / 255;
                            if ((_dither_88[x][y] < (pi & 0x3f))
                                && (pi < (256 - 64)))
                               gd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  (((pi + 64) >> 4) & 0x0c);
                            else
                               gd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  ((pi >> 4) & 0x0c);

                            pi = (i * (256 - 64)) / 255;
                            if ((_dither_88[x][y] < (pi & 0x3f))
                                && (pi < (256 - 64)))
                               bd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  (((pi + 64) >> 6) & 0x03);
                            else
                               bd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  ((pi >> 6) & 0x03);
                         }
                    }
               }
             break;
          case 3:
             for (y = 0; y < DM_Y; y++)
               {
                  for (x = 0; x < DM_X; x++)
                    {
                       for (i = 0; i < 256; i++)
                         {
                            int                 pi;

                            pi = (i * (256 - 64)) / 255;
                            if ((_dither_88[x][y] < (pi & 0x3f))
                                && (pi < (256 - 64)))
                               rd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  (((pi + 64) >> 3) & 0x18);
                            else
                               rd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  ((pi >> 3) & 0x18);

                            pi = (i * (256 - 64)) / 255;
                            if ((_dither_88[x][y] < (pi & 0x3f))
                                && (pi < (256 - 64)))
                               gd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  (((pi + 64) >> 5) & 0x06);
                            else
                               gd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  ((pi >> 5) & 0x06);

                            pi = (i * (256 - 128)) / 255;
                            if ((_dither_88[x][y] < ((pi & 0x7f) >> 1))
                                && (pi < (256 - 128)))
                               bd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  (((pi + 128) >> 7) & 0x01);
                            else
                               bd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  ((pi >> 7) & 0x01);
                         }
                    }
               }
             break;
          case 4:
             for (y = 0; y < DM_Y; y++)
               {
                  for (x = 0; x < DM_X; x++)
                    {
                       for (i = 0; i < 256; i++)
                         {
                            int                 pi;

                            pi = (i * (256 - 128)) / 255;
                            if ((_dither_88[x][y] < ((pi & 0x7f) >> 1))
                                && (pi < (256 - 128)))
                               rd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  (((pi + 128) >> 4) & 0x08);
                            else
                               rd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  ((pi >> 4) & 0x08);

                            pi = (i * (256 - 64)) / 255;
                            if ((_dither_88[x][y] < (pi & 0x3f))
                                && (pi < (256 - 64)))
                               gd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  (((pi + 64) >> 5) & 0x06);
                            else
                               gd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  ((pi >> 5) & 0x06);

                            pi = (i * (256 - 128)) / 255;
                            if ((_dither_88[x][y] < ((pi & 0x7f) >> 1))
                                && (pi < (256 - 128)))
                               bd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  (((pi + 128) >> 7) & 0x01);
                            else
                               bd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  ((pi >> 7) & 0x01);
                         }
                    }
               }
             break;
          case 5:
             for (y = 0; y < DM_Y; y++)
               {
                  for (x = 0; x < DM_X; x++)
                    {
                       for (i = 0; i < 256; i++)
                         {
                            int                 pi;

                            pi = (i * (256 - 128)) / 255;
                            if ((_dither_88[x][y] < ((pi & 0x7f) >> 1))
                                && (pi < (256 - 128)))
                               rd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  (((pi + 128) >> 5) & 0x04);
                            else
                               rd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  ((pi >> 5) & 0x04);

                            pi = (i * (256 - 128)) / 255;
                            if ((_dither_88[x][y] < ((pi & 0x7f) >> 1))
                                && (pi < (256 - 128)))
                               gd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  (((pi + 128) >> 6) & 0x02);
                            else
                               gd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  ((pi >> 6) & 0x02);

                            pi = (i * (256 - 128)) / 255;
                            if ((_dither_88[x][y] < ((pi & 0x7f) >> 1))
                                && (pi < (256 - 128)))
                               bd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  (((pi + 128) >> 7) & 0x01);
                            else
                               bd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  ((pi >> 7) & 0x01);
                         }
                    }
               }
             break;
          case 6:
             for (y = 0; y < DM_Y; y++)
               {
                  for (x = 0; x < DM_X; x++)
                    {
                       for (i = 0; i < 256; i++)
                         {
                            int                 pi;

                            pi = (i * (256 - 128)) / 255;
                            if ((_dither_88[x][y] < ((pi & 0x7f) >> 1))
                                && (pi < (256 - 128)))
                               rd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  (((pi + 128) >> 7) & 0x01);
                            else
                               rd8[(x << DM_BS1) | (y << DM_BS2) | i] =
                                  ((pi >> 7) & 0x01);
                         }
                    }
               }
             break;
          default:
             break;
          }
        break;
     }
}

static void
__imlib_RGBA_to_RGB565_fast(DATA32 * src, int src_jump,
                            DATA8 * dst, int dow,
                            int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   DATA16             *dest = (DATA16 *) dst;
   int                 dest_jump = (dow / sizeof(DATA16)) - width;

   w = width;
   h = height;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_2(width))
          {
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 2)
                     WRITE2_RGBA_RGB565(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w--;
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 2)
                     WRITE2_RGBA_RGB565(src, dest);
                  WRITE1_RGBA_RGB565(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = 0; y < h; y++)
               {
                  WRITE1_RGBA_RGB565(src, dest);
                  for (x = 0; x < w; x += 2)
                     WRITE2_RGBA_RGB565(src, dest);
                  WRITE1_RGBA_RGB565(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w--;
             for (y = 0; y < h; y++)
               {
                  WRITE1_RGBA_RGB565(src, dest);
                  for (x = 0; x < w; x += 2)
                     WRITE2_RGBA_RGB565(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB565_dither(DATA32 * src, int src_jump,
                              DATA8 * dst, int dow,
                              int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   DATA16             *dest = (DATA16 *) dst;
   int                 dest_jump = (dow / sizeof(DATA16)) - width;

   w = width + dx;
   h = height + dy;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_2(width))
          {
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 2)
                     WRITE2_RGBA_RGB565_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w--;
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 2)
                     WRITE2_RGBA_RGB565_DITHER(src, dest);
                  WRITE1_RGBA_RGB565_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = dy; y < h; y++)
               {
                  x = dx - 1;
                  WRITE1_RGBA_RGB565_DITHER(src, dest);
                  for (x = dx; x < w; x += 2)
                     WRITE2_RGBA_RGB565_DITHER(src, dest);
                  WRITE1_RGBA_RGB565_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w--;
             for (y = 0; y < h; y++)
               {
                  x = dx - 1;
                  WRITE1_RGBA_RGB565_DITHER(src, dest);
                  for (x = dx; x < w; x += 2)
                     WRITE2_RGBA_RGB565_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_BGR565_fast(DATA32 * src, int src_jump,
                            DATA8 * dst, int dow,
                            int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   DATA16             *dest = (DATA16 *) dst;
   int                 dest_jump = (dow / sizeof(DATA16)) - width;

   w = width;
   h = height;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_2(width))
          {
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 2)
                     WRITE2_RGBA_BGR565(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w--;
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 2)
                     WRITE2_RGBA_BGR565(src, dest);
                  WRITE1_RGBA_BGR565(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = 0; y < h; y++)
               {
                  WRITE1_RGBA_BGR565(src, dest);
                  for (x = 0; x < w; x += 2)
                     WRITE2_RGBA_BGR565(src, dest);
                  WRITE1_RGBA_BGR565(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w--;
             for (y = 0; y < h; y++)
               {
                  WRITE1_RGBA_BGR565(src, dest);
                  for (x = 0; x < w; x += 2)
                     WRITE2_RGBA_BGR565(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_BGR565_dither(DATA32 * src, int src_jump,
                              DATA8 * dst, int dow,
                              int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   DATA16             *dest = (DATA16 *) dst;
   int                 dest_jump = (dow / sizeof(DATA16)) - width;

   w = width + dx;
   h = height + dy;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_2(width))
          {
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 2)
                     WRITE2_RGBA_BGR565_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w--;
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 2)
                     WRITE2_RGBA_BGR565_DITHER(src, dest);
                  WRITE1_RGBA_BGR565_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = dy; y < h; y++)
               {
                  x = dx - 1;
                  WRITE1_RGBA_BGR565_DITHER(src, dest);
                  for (x = dx; x < w; x += 2)
                     WRITE2_RGBA_BGR565_DITHER(src, dest);
                  WRITE1_RGBA_BGR565_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w--;
             for (y = 0; y < h; y++)
               {
                  x = dx - 1;
                  WRITE1_RGBA_BGR565_DITHER(src, dest);
                  for (x = dx; x < w; x += 2)
                     WRITE2_RGBA_BGR565_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB555_fast(DATA32 * src, int src_jump,
                            DATA8 * dst, int dow,
                            int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   DATA16             *dest = (DATA16 *) dst;
   int                 dest_jump = (dow / sizeof(DATA16)) - width;

   w = width;
   h = height;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_2(width))
          {
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 2)
                     WRITE2_RGBA_RGB555(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w--;
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 2)
                     WRITE2_RGBA_RGB555(src, dest);
                  WRITE1_RGBA_RGB555(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = 0; y < h; y++)
               {
                  WRITE1_RGBA_RGB555(src, dest);
                  for (x = 0; x < w; x += 2)
                     WRITE2_RGBA_RGB555(src, dest);
                  WRITE1_RGBA_RGB555(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w--;
             for (y = 0; y < h; y++)
               {
                  WRITE1_RGBA_RGB555(src, dest);
                  for (x = 0; x < w; x += 2)
                     WRITE2_RGBA_RGB555(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB555_dither(DATA32 * src, int src_jump,
                              DATA8 * dst, int dow,
                              int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   DATA16             *dest = (DATA16 *) dst;
   int                 dest_jump = (dow / sizeof(DATA16)) - width;

   w = width + dx;
   h = height + dy;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_2(width))
          {
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 2)
                     WRITE2_RGBA_RGB555_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w--;
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 2)
                     WRITE2_RGBA_RGB555_DITHER(src, dest);
                  WRITE1_RGBA_RGB555_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = dy; y < h; y++)
               {
                  x = dx - 1;
                  WRITE1_RGBA_RGB555_DITHER(src, dest);
                  for (x = dx; x < w; x += 2)
                     WRITE2_RGBA_RGB555_DITHER(src, dest);
                  WRITE1_RGBA_RGB555_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w--;
             for (y = dy; y < h; y++)
               {
                  x = dx - 1;
                  WRITE1_RGBA_RGB555_DITHER(src, dest);
                  for (x = dx; x < w; x += 2)
                     WRITE2_RGBA_RGB555_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_BGR555_fast(DATA32 * src, int src_jump,
                            DATA8 * dst, int dow,
                            int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   DATA16             *dest = (DATA16 *) dst;
   int                 dest_jump = (dow / sizeof(DATA16)) - width;

   w = width;
   h = height;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_2(width))
          {
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 2)
                     WRITE2_RGBA_BGR555(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w--;
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 2)
                     WRITE2_RGBA_BGR555(src, dest);
                  WRITE1_RGBA_BGR555(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = 0; y < h; y++)
               {
                  WRITE1_RGBA_BGR555(src, dest);
                  for (x = 0; x < w; x += 2)
                     WRITE2_RGBA_BGR555(src, dest);
                  WRITE1_RGBA_BGR555(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w--;
             for (y = 0; y < h; y++)
               {
                  WRITE1_RGBA_BGR555(src, dest);
                  for (x = 0; x < w; x += 2)
                     WRITE2_RGBA_BGR555(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_BGR555_dither(DATA32 * src, int src_jump,
                              DATA8 * dst, int dow,
                              int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   DATA16             *dest = (DATA16 *) dst;
   int                 dest_jump = (dow / sizeof(DATA16)) - width;

   w = width + dx;
   h = height + dy;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_2(width))
          {
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 2)
                     WRITE2_RGBA_BGR555_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w--;
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 2)
                     WRITE2_RGBA_BGR555_DITHER(src, dest);
                  WRITE1_RGBA_BGR555_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = dy; y < h; y++)
               {
                  x = dx - 1;
                  WRITE1_RGBA_BGR555_DITHER(src, dest);
                  for (x = dx; x < w; x += 2)
                     WRITE2_RGBA_BGR555_DITHER(src, dest);
                  WRITE1_RGBA_BGR555_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w--;
             for (y = dy; y < h; y++)
               {
                  x = dx - 1;
                  WRITE1_RGBA_BGR555_DITHER(src, dest);
                  for (x = dx; x < w; x += 2)
                     WRITE2_RGBA_BGR555_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB332_fast(DATA32 * src, int src_jump,
                            DATA8 * dest, int dow,
                            int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - width;

   w = width;
   h = height;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_4(width))
          {
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB332(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB332(src, dest);
                  WRITE2_RGBA_RGB332(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w -= 3;
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB332(src, dest);
                  for (; x < width; x++)
                    {
                       WRITE1_RGBA_RGB332(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        for (y = 0; y < h; y++)
          {
             for (x = 0; ((x < w) && (!(IS_ALIGNED_32((unsigned long)dest))));
                  x++)
               {
                  WRITE1_RGBA_RGB332(src, dest);
               }
             if (x < w)
               {
                  if (IS_MULTIPLE_4((width - x)))
                    {
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB332(src, dest);
                       src += src_jump;
                       dest += dest_jump;
                    }
                  else if (IS_MULTIPLE_2((width - x)))
                    {
                       w = width - 2 - x;
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB332(src, dest);
                       WRITE2_RGBA_RGB332(src, dest);
                       src += src_jump;
                       dest += dest_jump;
                    }
                  else
                    {
                       w = width - 3 - x;
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB332(src, dest);
                       for (; x < width; x++)
                         {
                            WRITE1_RGBA_RGB332(src, dest);
                         }
                       src += src_jump;
                       dest += dest_jump;
                    }
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB332_dither(DATA32 * src, int src_jump,
                              DATA8 * dest, int dow,
                              int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - width;

   w = width + dx;
   h = height + dy;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_4(width))
          {
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB332_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB332_DITHER(src, dest);
                  WRITE2_RGBA_RGB332_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w -= 3;
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB332_DITHER(src, dest);
                  for (; x < (width + dx); x++)
                    {
                       WRITE1_RGBA_RGB332_DITHER(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        for (y = dy; y < h; y++)
          {
             w = width + dx;
             for (x = dx; ((x < w) && (!(IS_ALIGNED_32((unsigned long)dest))));
                  x++)
               {
                  WRITE1_RGBA_RGB332_DITHER(src, dest);
               }
             if (x < w)
               {
                  w = (width + dx) - (3 + x);
                  for (; x < w; x += 4)
                     WRITE4_RGBA_RGB332_DITHER(src, dest);
                  for (; x < (width + dx); x++)
                    {
                       WRITE1_RGBA_RGB332_DITHER(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB666_fast(DATA32 * src, int src_jump,
                            DATA8 * dest, int dow,
                            int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - width;

   w = width;
   h = height;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_4(width))
          {
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB666(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB666(src, dest);
                  WRITE2_RGBA_RGB666(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w -= 3;
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB666(src, dest);
                  for (; x < width; x++)
                    {
                       WRITE1_RGBA_RGB666(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        for (y = 0; y < h; y++)
          {
             for (x = 0; ((x < w) && (!(IS_ALIGNED_32((unsigned long)dest))));
                  x++)
               {
                  WRITE1_RGBA_RGB666(src, dest);
               }
             if (x < w)
               {
                  if (IS_MULTIPLE_4((width - x)))
                    {
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB666(src, dest);
                       src += src_jump;
                       dest += dest_jump;
                    }
                  else if (IS_MULTIPLE_2((width - x)))
                    {
                       w = width - 2 - x;
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB666(src, dest);
                       WRITE2_RGBA_RGB666(src, dest);
                       src += src_jump;
                       dest += dest_jump;
                    }
                  else
                    {
                       w = width - 3 - x;
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB666(src, dest);
                       for (; x < width; x++)
                         {
                            WRITE1_RGBA_RGB666(src, dest);
                         }
                       src += src_jump;
                       dest += dest_jump;
                    }
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB666_dither(DATA32 * src, int src_jump,
                              DATA8 * dest, int dow,
                              int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - width;

   w = width + dx;
   h = height + dy;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_4(width))
          {
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB666_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB666_DITHER(src, dest);
                  WRITE2_RGBA_RGB666_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w -= 3;
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB666_DITHER(src, dest);
                  for (; x < (width + dx); x++)
                    {
                       WRITE1_RGBA_RGB666_DITHER(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        for (y = dy; y < h; y++)
          {
             w = width + dx;
             for (x = dx; ((x < w) && (!(IS_ALIGNED_32((unsigned long)dest))));
                  x++)
               {
                  WRITE1_RGBA_RGB666_DITHER(src, dest);
               }
             if (x < w)
               {
                  w = (width + dx) - (3 + x);
                  for (; x < w; x += 4)
                     WRITE4_RGBA_RGB666_DITHER(src, dest);
                  for (; x < (width + dx); x++)
                    {
                       WRITE1_RGBA_RGB666_DITHER(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB232_fast(DATA32 * src, int src_jump,
                            DATA8 * dest, int dow,
                            int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - width;

   w = width;
   h = height;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_4(width))
          {
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB232(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB232(src, dest);
                  WRITE2_RGBA_RGB232(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w -= 3;
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB232(src, dest);
                  for (; x < width; x++)
                    {
                       WRITE1_RGBA_RGB232(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        for (y = 0; y < h; y++)
          {
             for (x = 0; ((x < w) && (!(IS_ALIGNED_32((unsigned long)dest))));
                  x++)
               {
                  WRITE1_RGBA_RGB232(src, dest);
               }
             if (x < w)
               {
                  if (IS_MULTIPLE_4((width - x)))
                    {
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB232(src, dest);
                       src += src_jump;
                       dest += dest_jump;
                    }
                  else if (IS_MULTIPLE_2((width - x)))
                    {
                       w = width - 2 - x;
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB232(src, dest);
                       WRITE2_RGBA_RGB232(src, dest);
                       src += src_jump;
                       dest += dest_jump;
                    }
                  else
                    {
                       w = width - 3 - x;
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB232(src, dest);
                       for (; x < width; x++)
                         {
                            WRITE1_RGBA_RGB232(src, dest);
                         }
                       src += src_jump;
                       dest += dest_jump;
                    }
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB232_dither(DATA32 * src, int src_jump,
                              DATA8 * dest, int dow,
                              int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - width;

   w = width + dx;
   h = height + dy;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_4(width))
          {
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB232_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB232_DITHER(src, dest);
                  WRITE2_RGBA_RGB232_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w -= 3;
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB232_DITHER(src, dest);
                  for (; x < (width + dx); x++)
                    {
                       WRITE1_RGBA_RGB232_DITHER(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        for (y = dy; y < h; y++)
          {
             w = width + dx;
             for (x = dx; ((x < w) && (!(IS_ALIGNED_32((unsigned long)dest))));
                  x++)
               {
                  WRITE1_RGBA_RGB232_DITHER(src, dest);
               }
             if (x < w)
               {
                  w = (width + dx) - (3 + x);
                  for (; x < w; x += 4)
                     WRITE4_RGBA_RGB232_DITHER(src, dest);
                  for (; x < (width + dx); x++)
                    {
                       WRITE1_RGBA_RGB232_DITHER(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB222_fast(DATA32 * src, int src_jump,
                            DATA8 * dest, int dow,
                            int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - width;

   w = width;
   h = height;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_4(width))
          {
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB222(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB222(src, dest);
                  WRITE2_RGBA_RGB222(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w -= 3;
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB222(src, dest);
                  for (; x < width; x++)
                    {
                       WRITE1_RGBA_RGB222(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        for (y = 0; y < h; y++)
          {
             for (x = 0; ((x < w) && (!(IS_ALIGNED_32((unsigned long)dest))));
                  x++)
               {
                  WRITE1_RGBA_RGB222(src, dest);
               }
             if (x < w)
               {
                  if (IS_MULTIPLE_4((width - x)))
                    {
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB222(src, dest);
                       src += src_jump;
                       dest += dest_jump;
                    }
                  else if (IS_MULTIPLE_2((width - x)))
                    {
                       w = width - 2 - x;
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB222(src, dest);
                       WRITE2_RGBA_RGB222(src, dest);
                       src += src_jump;
                       dest += dest_jump;
                    }
                  else
                    {
                       w = width - 3 - x;
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB222(src, dest);
                       for (; x < width; x++)
                         {
                            WRITE1_RGBA_RGB222(src, dest);
                         }
                       src += src_jump;
                       dest += dest_jump;
                    }
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB222_dither(DATA32 * src, int src_jump,
                              DATA8 * dest, int dow,
                              int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - width;

   w = width + dx;
   h = height + dy;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_4(width))
          {
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB222_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB222_DITHER(src, dest);
                  WRITE2_RGBA_RGB222_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w -= 3;
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB222_DITHER(src, dest);
                  for (; x < (width + dx); x++)
                    {
                       WRITE1_RGBA_RGB222_DITHER(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        for (y = dy; y < h; y++)
          {
             w = width + dx;
             for (x = dx; ((x < w) && (!(IS_ALIGNED_32((unsigned long)dest))));
                  x++)
               {
                  WRITE1_RGBA_RGB222_DITHER(src, dest);
               }
             if (x < w)
               {
                  w = (width + dx) - (3 + x);
                  for (; x < w; x += 4)
                     WRITE4_RGBA_RGB222_DITHER(src, dest);
                  for (; x < (width + dx); x++)
                    {
                       WRITE1_RGBA_RGB222_DITHER(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB221_fast(DATA32 * src, int src_jump,
                            DATA8 * dest, int dow,
                            int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - width;

   w = width;
   h = height;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_4(width))
          {
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB221(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB221(src, dest);
                  WRITE2_RGBA_RGB221(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w -= 3;
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB221(src, dest);
                  for (; x < width; x++)
                    {
                       WRITE1_RGBA_RGB221(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        for (y = 0; y < h; y++)
          {
             for (x = 0; ((x < w) && (!(IS_ALIGNED_32((unsigned long)dest))));
                  x++)
               {
                  WRITE1_RGBA_RGB221(src, dest);
               }
             if (x < w)
               {
                  if (IS_MULTIPLE_4((width - x)))
                    {
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB221(src, dest);
                       src += src_jump;
                       dest += dest_jump;
                    }
                  else if (IS_MULTIPLE_2((width - x)))
                    {
                       w = width - 2 - x;
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB221(src, dest);
                       WRITE2_RGBA_RGB221(src, dest);
                       src += src_jump;
                       dest += dest_jump;
                    }
                  else
                    {
                       w = width - 3 - x;
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB221(src, dest);
                       for (; x < width; x++)
                         {
                            WRITE1_RGBA_RGB221(src, dest);
                         }
                       src += src_jump;
                       dest += dest_jump;
                    }
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB221_dither(DATA32 * src, int src_jump,
                              DATA8 * dest, int dow,
                              int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - width;

   w = width + dx;
   h = height + dy;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_4(width))
          {
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB221_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB221_DITHER(src, dest);
                  WRITE2_RGBA_RGB221_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w -= 3;
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB221_DITHER(src, dest);
                  for (; x < (width + dx); x++)
                    {
                       WRITE1_RGBA_RGB221_DITHER(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        for (y = dy; y < h; y++)
          {
             w = width + dx;
             for (x = dx; ((x < w) && (!(IS_ALIGNED_32((unsigned long)dest))));
                  x++)
               {
                  WRITE1_RGBA_RGB221_DITHER(src, dest);
               }
             if (x < w)
               {
                  w = (width + dx) - (3 + x);
                  for (; x < w; x += 4)
                     WRITE4_RGBA_RGB221_DITHER(src, dest);
                  for (; x < (width + dx); x++)
                    {
                       WRITE1_RGBA_RGB221_DITHER(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB121_fast(DATA32 * src, int src_jump,
                            DATA8 * dest, int dow,
                            int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - width;

   w = width;
   h = height;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_4(width))
          {
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB121(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB121(src, dest);
                  WRITE2_RGBA_RGB121(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w -= 3;
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB121(src, dest);
                  for (; x < width; x++)
                    {
                       WRITE1_RGBA_RGB121(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        for (y = 0; y < h; y++)
          {
             for (x = 0; ((x < w) && (!(IS_ALIGNED_32((unsigned long)dest))));
                  x++)
               {
                  WRITE1_RGBA_RGB121(src, dest);
               }
             if (x < w)
               {
                  if (IS_MULTIPLE_4((width - x)))
                    {
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB121(src, dest);
                       src += src_jump;
                       dest += dest_jump;
                    }
                  else if (IS_MULTIPLE_2((width - x)))
                    {
                       w = width - 2 - x;
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB121(src, dest);
                       WRITE2_RGBA_RGB121(src, dest);
                       src += src_jump;
                       dest += dest_jump;
                    }
                  else
                    {
                       w = width - 3 - x;
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB121(src, dest);
                       for (; x < width; x++)
                         {
                            WRITE1_RGBA_RGB121(src, dest);
                         }
                       src += src_jump;
                       dest += dest_jump;
                    }
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB121_dither(DATA32 * src, int src_jump,
                              DATA8 * dest, int dow,
                              int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - width;

   w = width + dx;
   h = height + dy;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_4(width))
          {
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB121_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB121_DITHER(src, dest);
                  WRITE2_RGBA_RGB121_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w -= 3;
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB121_DITHER(src, dest);
                  for (; x < (width + dx); x++)
                    {
                       WRITE1_RGBA_RGB121_DITHER(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        for (y = dy; y < h; y++)
          {
             w = width + dx;
             for (x = dx; ((x < w) && (!(IS_ALIGNED_32((unsigned long)dest))));
                  x++)
               {
                  WRITE1_RGBA_RGB121_DITHER(src, dest);
               }
             if (x < w)
               {
                  w = (width + dx) - (3 + x);
                  for (; x < w; x += 4)
                     WRITE4_RGBA_RGB121_DITHER(src, dest);
                  for (; x < (width + dx); x++)
                    {
                       WRITE1_RGBA_RGB121_DITHER(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB111_fast(DATA32 * src, int src_jump,
                            DATA8 * dest, int dow,
                            int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - width;

   w = width;
   h = height;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_4(width))
          {
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB111(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB111(src, dest);
                  WRITE2_RGBA_RGB111(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w -= 3;
             for (y = 0; y < h; y++)
               {
                  for (x = 0; x < w; x += 4)
                     WRITE4_RGBA_RGB111(src, dest);
                  for (; x < width; x++)
                    {
                       WRITE1_RGBA_RGB111(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        for (y = 0; y < h; y++)
          {
             for (x = 0; ((x < w) && (!(IS_ALIGNED_32((unsigned long)dest))));
                  x++)
               {
                  WRITE1_RGBA_RGB111(src, dest);
               }
             if (x < w)
               {
                  if (IS_MULTIPLE_4((width - x)))
                    {
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB111(src, dest);
                       src += src_jump;
                       dest += dest_jump;
                    }
                  else if (IS_MULTIPLE_2((width - x)))
                    {
                       w = width - 2 - x;
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB111(src, dest);
                       WRITE2_RGBA_RGB111(src, dest);
                       src += src_jump;
                       dest += dest_jump;
                    }
                  else
                    {
                       w = width - 3 - x;
                       for (; x < w; x += 4)
                          WRITE4_RGBA_RGB111(src, dest);
                       for (; x < width; x++)
                         {
                            WRITE1_RGBA_RGB111(src, dest);
                         }
                       src += src_jump;
                       dest += dest_jump;
                    }
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB111_dither(DATA32 * src, int src_jump,
                              DATA8 * dest, int dow,
                              int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - width;

   w = width + dx;
   h = height + dy;

   if (IS_ALIGNED_32((unsigned long)dest))
     {
        if (IS_MULTIPLE_4(width))
          {
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB111_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else if (IS_MULTIPLE_2(width))
          {
             w -= 2;
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB111_DITHER(src, dest);
                  WRITE2_RGBA_RGB111_DITHER(src, dest);
                  src += src_jump;
                  dest += dest_jump;
               }
          }
        else
          {
             w -= 3;
             for (y = dy; y < h; y++)
               {
                  for (x = dx; x < w; x += 4)
                     WRITE4_RGBA_RGB111_DITHER(src, dest);
                  for (; x < (width + dx); x++)
                    {
                       WRITE1_RGBA_RGB111_DITHER(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   else
     {
        for (y = dy; y < h; y++)
          {
             w = width + dx;
             for (x = dx; ((x < w) && (!(IS_ALIGNED_32((unsigned long)dest))));
                  x++)
               {
                  WRITE1_RGBA_RGB111_DITHER(src, dest);
               }
             if (x < w)
               {
                  w = (width + dx) - (3 + x);
                  for (; x < w; x += 4)
                     WRITE4_RGBA_RGB111_DITHER(src, dest);
                  for (; x < (width + dx); x++)
                    {
                       WRITE1_RGBA_RGB111_DITHER(src, dest);
                    }
                  src += src_jump;
                  dest += dest_jump;
               }
          }
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB1_fast(DATA32 * src, int src_jump,
                          DATA8 * dest, int dow,
                          int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - width;

   w = width;
   h = height;

   for (y = 0; y < h; y++)
     {
        for (x = 0; x < w; x++)
          {
             WRITE1_RGBA_RGB1(src, dest);
          }
        src += src_jump;
        dest += dest_jump;
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB1_dither(DATA32 * src, int src_jump,
                            DATA8 * dest, int dow,
                            int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - width;

   w = width + dx;
   h = height + dy;

   for (y = dy; y < h; y++)
     {
        for (x = dx; x < w; x++)
          {
             WRITE1_RGBA_RGB1_DITHER(src, dest);
          }
        src += src_jump;
        dest += dest_jump;
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_A1_fast(DATA32 * src, int src_jump,
                        DATA8 * dest, int dow,
                        int width, int height, int dx, int dy, int threshold)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - (width >> 3);

   w = width;
   h = height;

   for (y = 0; y < h; y++)
     {
        for (x = 0; x < w; x++)
          {
             WRITE1_RGBA_A1(src, dest, threshold);
          }
        src += src_jump;
        dest += dest_jump;
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_A1_dither(DATA32 * src, int src_jump,
                          DATA8 * dest, int dow,
                          int width, int height, int dx, int dy, int threshold)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - (width >> 3);

   w = width + dx;
   h = height + dy;

   for (y = dy; y < h; y++)
     {
        for (x = dx; x < w; x++)
          {
             WRITE1_RGBA_A1_DITHER(src, dest, threshold);
          }
        src += src_jump;
        dest += dest_jump;
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB8888_fast(DATA32 * src, int src_jump,
                             DATA8 * dst, int dow,
                             int width, int height, int dx, int dy)
{
   int                 y, w, h;
   DATA32             *dest = (DATA32 *) dst;
   int                 dest_jump = (dow / sizeof(DATA32)) - width;

   w = width;
   h = height;

   if ((src_jump > 0) || (dest_jump > 0))
     {
        for (y = h; y > 0; y--)
          {
             memcpy(dest, src, w * sizeof(DATA32));
             src += src_jump + w;
             dest += dest_jump + w;
          }
     }
   else
      memcpy(dest, src, h * w * sizeof(DATA32));
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_BGR8888_fast(DATA32 * src, int src_jump,
                             DATA8 * dst, int dow,
                             int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   DATA32             *dest = (DATA32 *) dst;
   int                 dest_jump = (dow / sizeof(DATA32)) - width;

   w = width;
   h = height;

   for (y = 0; y < h; y++)
     {
        for (x = 0; x < w; x++)
          {
             WRITE1_RGBA_BGR8888(src, dest);
          }
        src += src_jump;
        dest += dest_jump;
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_RGB888_fast(DATA32 * src, int src_jump,
                            DATA8 * dest, int dow,
                            int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - (width * 3);

   w = width;
   h = height;

   for (y = 0; y < h; y++)
     {
        for (x = 0; x < w; x++)
          {
             WRITE1_RGBA_RGB888(src, dest);
          }
        src += src_jump;
        dest += dest_jump;
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_BGR888_fast(DATA32 * src, int src_jump,
                            DATA8 * dest, int dow,
                            int width, int height, int dx, int dy)
{
   int                 x, y, w, h;
   int                 dest_jump = dow - (width * 3);

   w = width;
   h = height;

   for (y = 0; y < h; y++)
     {
        for (x = 0; x < w; x++)
          {
             WRITE1_RGBA_BGR888(src, dest);
          }
        src += src_jump;
        dest += dest_jump;
     }
   return;
   dx = 0;
   dy = 0;
}

static void
__imlib_RGBA_to_Nothing(DATA32 * src, int src_jump,
                        DATA8 * dest, int dow,
                        int width, int height, int dx, int dy)
{
   /*\ Nothing: Dummy function \ */
}

ImlibRGBAFunction
__imlib_GetRGBAFunction(int depth,
                        unsigned long rm, unsigned long gm, unsigned long bm,
                        char hiq, DATA8 palette_type)
{
   if (depth == 16)
     {
        if (hiq)
          {
             if ((rm == 0xf800) && (gm == 0x7e0) && (bm == 0x1f))
                return __imlib_RGBA_to_RGB565_dither;
             if ((rm == 0x7c00) && (gm == 0x3e0) && (bm == 0x1f))
                return __imlib_RGBA_to_RGB555_dither;
             if ((bm == 0xf800) && (gm == 0x7e0) && (rm == 0x1f))
                return __imlib_RGBA_to_BGR565_dither;
             if ((bm == 0x7c00) && (gm == 0x3e0) && (rm == 0x1f))
                return __imlib_RGBA_to_BGR555_dither;
          }
        else
          {
#ifdef DO_MMX_ASM
             if (__imlib_get_cpuid() && CPUID_MMX)
               {
                  if ((rm == 0xf800) && (gm == 0x7e0) && (bm == 0x1f))
                     return __imlib_mmx_rgb565_fast;
                  if ((rm == 0x7c00) && (gm == 0x3e0) && (bm == 0x1f))
                     return __imlib_mmx_rgb555_fast;
                  if ((bm == 0xf800) && (gm == 0x7e0) && (rm == 0x1f))
                     return __imlib_mmx_bgr565_fast;
                  if ((bm == 0x7c00) && (gm == 0x3e0) && (rm == 0x1f))
                     return __imlib_mmx_bgr555_fast;
               }
             else
#endif
               {
                  if ((rm == 0xf800) && (gm == 0x7e0) && (bm == 0x1f))
                     return __imlib_RGBA_to_RGB565_fast;
                  if ((rm == 0x7c00) && (gm == 0x3e0) && (bm == 0x1f))
                     return __imlib_RGBA_to_RGB555_fast;
                  if ((bm == 0xf800) && (gm == 0x7e0) && (rm == 0x1f))
                     return __imlib_RGBA_to_BGR565_fast;
                  if ((bm == 0x7c00) && (gm == 0x3e0) && (rm == 0x1f))
                     return __imlib_RGBA_to_BGR555_fast;
               }
          }
        return NULL;
     }
   else if (depth == 32)
     {
        if ((rm == 0xff0000) && (gm == 0xff00) && (bm == 0xff))
           return __imlib_RGBA_to_RGB8888_fast;
        return NULL;
     }
   else if (depth == 24)
     {
        if ((rm == 0xff0000) && (gm == 0xff00) && (bm == 0xff))
           return __imlib_RGBA_to_RGB888_fast;
        return NULL;
     }
   else if (depth == 8)
     {
        if (hiq)
          {
             if (palette_type == 0)
                return __imlib_RGBA_to_RGB332_dither;
             if (palette_type == 1)
                return __imlib_RGBA_to_RGB232_dither;
             if (palette_type == 2)
                return __imlib_RGBA_to_RGB222_dither;
             if (palette_type == 3)
                return __imlib_RGBA_to_RGB221_dither;
             if (palette_type == 4)
                return __imlib_RGBA_to_RGB121_dither;
             if (palette_type == 5)
                return __imlib_RGBA_to_RGB111_dither;
             if (palette_type == 6)
                return __imlib_RGBA_to_RGB1_dither;
             if (palette_type == 7)
                return __imlib_RGBA_to_RGB666_dither;
          }
        else
          {
             if (palette_type == 0)
                return __imlib_RGBA_to_RGB332_fast;
             if (palette_type == 1)
                return __imlib_RGBA_to_RGB232_fast;
             if (palette_type == 2)
                return __imlib_RGBA_to_RGB222_fast;
             if (palette_type == 3)
                return __imlib_RGBA_to_RGB221_fast;
             if (palette_type == 4)
                return __imlib_RGBA_to_RGB121_fast;
             if (palette_type == 5)
                return __imlib_RGBA_to_RGB111_fast;
             if (palette_type == 6)
                return __imlib_RGBA_to_RGB1_fast;
             if (palette_type == 7)
                return __imlib_RGBA_to_RGB666_fast;
          }
     }
   return NULL;
}

ImlibMaskFunction
__imlib_GetMaskFunction(char hiq)
{
   return hiq ? &__imlib_RGBA_to_A1_dither : &__imlib_RGBA_to_A1_fast;
}

#endif
